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20233 articles
Proceedings Article

The Effect of Bacillus Coagulans as Feed Probiotics on Non-specific Immunity of Whiteleg Shrimp Litopenaeus Vannamei

S Supono, M Rahayu, M W Yusuf
The study aimed to evaluate the effect of giving a different dosage of Bacillus coagulans to feed (feed probiotics) on nonspecific immunity of Litopenaeus vannamei (white shrimp). The parameters tested included water quality and shrimp immunity parameters, namely total hemocyte count (THC), differential...

Visual Students: How Their Representation in Problem Solving?

Arinka Putri Utami, Mardiyana, Ikrar Pramudya
Mathematics is abstract because mathematical objects or symbols do not exist in reality, it is almost impossible to access them without employing representations. Representations may aid in the transformation of physical models into abstract ideas or symbols. Students require representation to be able...
Proceedings Article

Lie symmetry analysis and exact solutions of the (2+1)-dimensional generalized KdV equation

Yu-Shan Bai, Ya-Na Liu
In this paper, the symmetry group method is used to study a new (2 + 1)-dimensional generalized KdV equation. The Lie point symmetries of (2 + 1)-dimensional generalized KdV equation are obtained. Symmetry reductions and several interesting explicit solutions to the (2 + 1)-dimensional generalized KdV...
Proceedings Article

Controlling Air Side Birds to Maintain Safe Flight Operations at Yogyakarta International Airport

Fadhil Ahmad Farrasy, Direstu Amalia, Bambang Wijaya Putra, Setiyo Setiyo, Sunardi Sunardi, Dwi Candra Yuniar
The airside is a vital object of an airport because the airside area is a high-risk area that should be free from threats such as birds and wild animals. But the real situation is still found flocks of birds that are often on the air side, which is very dangerous if the bird enters the aircraft engine...

Analysis of the Effect of Service Quality and Cooperative Image on the Satisfaction of Members of the Obor Mas Credit Cooperative, Ende Branch

Lambertus Langga, Yulius Laga
The Obor Mas Credit Cooperative Branch Ende is a cooperative that serves the needs of its members in doing savings and loans. This study attempts to analyze the quality and image of cooperatives on member satisfaction that occurs in the Obor Mas Cooperative, including: (1) service quality partially affects...

Developing English Vocabulary Application to Enhance Speaking Skills for Students of Hospitality Program

Aprilia Maya Puspita, Nur Mukminatien, Mirjam Anugerahwati
This is a report on a Research and Development project with the purpose of developing supplementary materials for building students’ vocabulary in speaking in the hotel context for the tenth-grade students of the Hospitality Program at SMKN 3 Malang. The procedures were carried out in seven steps: (1)...

Counselors’ Essential Experiences with Victims of Child Abuse

A Guide to a Client-Driven Counseling

Ainna Shariz E. Comia, Kristian Widya Wicaksono
This paper discussed the Jaringan Relawan Independen (JaRi) Foundation counselor’s experience in dealing with cases of child victims of domestic violence in Kota Bandung. The study sees cases of violence against children as a traumatic phenomenon. It aims to describe the significance of JaRi Foundation...

Bibliometric Analysis of Big Data Application in Education in China from 2013 to 2022

Liuyi Chen
Relying on the CNKI data platform, articles were screened for “education big data” and the search period was set to “January 1, 2013 to August 30, 2022”. The data were screened, collated and analyzed by using bibliometric statistical methods. The conclusions were as follows: 1. The attention of big data...

Selection Day: School Bullying in Interlingual Subtitling

Aulia Nisa’ Khusnia, M. R. Nababan, Riyadi Santosa, Djatmika Djatmika
Violence has become a social issue that has recently escalated in frequency. Several social and psychological variables in society inspire this violent behavior. Bullying is a type of violence that has recently grown common in society. Bullying is any unfavorable behavior, whether verbal physical, or...
Proceedings Article

Low PD-L1 Immunohistochemical Expression in Invasive Urothelial Carcinoma: Insights from Histological Variants

Lidya Imelda Laksmi, Dhirajaya Dharma Kadar, Betty Betty, Jessy Chrestella
Programmed death-ligand 1 (PD-L1) plays a pivotal role as a biomarker in predicting therapeutic response to immune checkpoint inhibitors across several malignancies, including urothelial carcinoma. Nevertheless, its expression varies among different histological variants, particularly within populations...
Proceedings Article

Two Stage Onboard Electric Vehicle Charger

Nivedh Johnson, Preethi Sebastian, Jolly George, Aiswarya Chandran, Aswin Aji
High energy usage for transportation and impacts of air pollution paved the way for transport electrification. As part of this, global move towards transport electrification. The core part of a green vehicle is an onboard charger for batteries. It has two stages of power conversion. Level I battery chargers,...

Disability Play Therapy: Implementation of Traditional Japanese Game to Improve Creativity and Education in Public Special Needs Inclusive School (SLB) 1 Makassar

Ria Rosdiana Jubhari, Teguh Daniel Bandaso, Nurul Hidayah, Zilzi Zabila, Mochammad Afiq Gizly, Andi Juwita Amal
People with disabilities generally experience physical, mental, and sensory limitations—this limitation results in barriers and difficulties in interacting with their environment. Education offered at the special needs school (SLB) only provides reading and writing skills. Despite these, it is necessary...

Determining Factors that Influence Consumer Behaviour Intention to Use Cashless Payment in Malaysia

Qing Zhi Goh, Lan Thi Phuong Nguyen
With the outbreak of the COVID-19 pandemics and the aggression in promoting Malaysia to be a cashless society by the Malaysian Government, the cashless payment is expected to grow and become the preferred method of payment in the future. This paper aims to explore factors influencing consumer behavioral...

Stem Education: Its Effects on the Quality of Teachers and Students in the 21st Century

Haerul Salam
STEM education provides a particular context required for student learning in the 21st century. One of the st-century skills is digital literacy. Students’ digital literacy skills need to be developed to ensure that students will be able to maximize the use of technology in 21st-century learning. This...
Proceedings Article

Environmental Analysis of Coffee Production in Jember

M. Choiron, W. Amilia, M. Y. A. Pratama, A. D. F. Utomo
Jember Regency is one of the districts which is the center for the cultivation and development of coffee in East Java. The objectives of this research are determining the environmental impact and provide alternative recommendations for process improvement. Life Cycle Assessment is used to calculate the...
Proceedings Article

Effect of Water-to-Binder Ratio on Strength of Brick Aggregate Concrete Containing Rice Husk Ash

Md. Abu Noaman, Md. Nazrul Islam, Md. Rezaul Karim, Khandaker Saiful Islam, Mohammad Abu Hanif
The present study investigates the effect of the water-to-binder ratio (w/b) on the strength of brick aggregate concrete (BAC) containing rice husk ash (RHA) as a partial replacement of cement. To conduct the study, the properties of the materials were investigated. BAC cylinders (100 × 200 mm) and beams...
Proceedings Article

Comparative Analysis of Fibroblast Growth Factor (FGF) Thresholds in Different Stages of Kidney Dysfunction

Nilufar Gadaeva, Rustam Turakulov
Fibroblast Growth Factors (FGFs) play a crucial role in renal physiology and pathology, but their optimal diagnostic thresholds across different stages of kidney dysfunction remain unclear. This study aims to determine stage-specific FGF thresholds and assess their diagnostic accuracy in chronic kidney...

Digital Platform Liability in Electoral Disinformation Dissemination: A Comparative Analysis of Indonesian and European Union Law

I Wayan Sudira, Sunny Ummul Firdaus, Andina Elok Puri Maharani
Electoral disinformation is increasingly recognized as a serious threat to democratic governance worldwide. Data from the International Telecommunication Union indicate that more than 4.6 billion people actively use digital platforms, amplifying the reach and impact of false information during electoral...
Proceedings Article

Development of A Web-Based Asset Rental Information System in The Inland Water and Ferries Transport Polytecnic of Palembang

Sri Kelana, Sri Kartini, Raden Muhamad Firzatullah, Desti Yuvita Sari
The aim of this research is to create an Asset Rental Information System in the SD Palembang Transportation Polytechnic Environment. This information system was developed using the waterfall method. Overall there are four stages of research including (1) analysis of information system needs, (2) information...
Proceedings Article

Development of Recombinant Epitope-Based Peptide Vaccine Of Hepatitis B Virus: In Silico Study

Kiky Martha Ariesaka, Dwi Wahyu Wijayanto, Arif Ladika Wiratama, Moh Mirza Nuryady
Hepatitis B virus was first discovered by Blumberg and colleagues in 1965. The spread of Hepatitis B disease is alarming. The World Health Organization (WHO) in 2002 estimated that one billion living individuals have been infected with Hepatitis B, with 1–2 million deaths attributed to this virus, which...

From Well-Trodden Path to Uncharted Needs: Pharma’s Response to Rare Diseases

Emir Veledar, Peter McGranaghan, Omar Veledar
The pharmaceutical industry’s focus has dramatically shifted from mass-market blockbusters to addressing the needs of rare diseases. This paper compares the traditional, volume-driven approach of “Old Pharma” with the patient-centric, innovation-led strategy of “New Pharma,” highlighting the changes...

Existence of Dual Equations by Means of Strong Necessary Conditions - Analysis of Integrability of Partial Differential Nonlinear Equations

K. Sokalski, T. Wietecha, D. Sokalska
Pages: 31 - 52
A concept of strong necessary conditions for extremum of functional has been aplied for analysis an existence of dual equations for a system of two nonlinear Partial Differential Equations (PDE) in 1+1 dimensions. We consider two types of the dual equations: the Bäcklund transformations and the Bogomolny...

The Development of Teaching Media Based on PREZI Zooming Presentation on Heat and Temperature Subjects

Sri Hartini, Ms Misbah, Ida Ariyani
Both teachers and students have become numb to conventional classroom presentations, where they are confronted with slide after slide containing too much information in quick, disjointed succession. Prezi's zooming presentation opens up the classroom to active learning and interactivity, making lessons...
Proceedings Article

Analysis of the Curative Effect of the Treatment of the Three-dimensional Conformal Radiotherapy Combination with the Induction Chemotherapy in the Middle-late Nasopharyngeal Carcinoma

Min Ma, Hongying Lin, Shengcun Zhang
Abstract. Objective: To observe and explore the clinical curative effect of the three dimensional conformal radiotherapy combination with the induction chemotherapy to treat the middle-late nasopharyngeal carcinoma patients. Methods: We select from February 2012 to February 2014 the clinical data of...

The Concept Of Accountability In Good Governance

Mr Khotami
Accountability is a form of liability that refers to who and for what and what is accountable, which is understood as the obligation of the holder of the trust to provide accountability, presenting and reporting all activities that are his responsibility to the party who provides the trust has the authority...
Proceedings Article

On the Sharp Triangle Inequalities in Quasi-Banach Spaces

Xiangzhen Xiao
The triangle inequality is one of the most important and fundamental inequalities in analysis. Many authors have been treating its generalizations and reverse inequalities. In this paper,we shall present the sharp triangle inequality and its reverse inequality for an arbitrary number of finitely many...
Proceedings Article

Residual Strain in Welded Joint of Pre-Strained Steel Plate

Ignatius Henry, Triyono Triyono, M. Refai, Nurul Muhayat
The measurement of internal residual strain on the elastic, yield and plastic pre-strained of SS400 during welding had been performed using neutron diffraction technique. SS400 steel has been welded using gas metal arc welding (GMAW) in pre-strained condition of 0%, 1%, 3%, and 5%. This paper will present...
Proceedings Article

Fe Thiolate Complexes Catalyst in Photocatalysis System for Hydrogen Production from Water

Xiao-Xin Yang, Da-Tian Fu, Xiu-Lan Cai
Fe thiolate complexes Fe(bpy)(pyS)2 (M) were synthesized, the properties of complexes were characterized by 1H-NMR and MS and the effects of reaction conditions on catalytic performance had been studied. The results indicated that when the pH value of catalysis system was 11.6, ethanol/water was used...

Developing Instrument to Measure Mathematical Reasoning Ability

Delsika P Sari, Mahendra Mr.
This research is a quantitative research, which aims to find a valid and reliable instrument for testing the mathematical reasoning ability for junior high school students. The process of analysis this instrument starting from (1) a literature review, (2) the preparation of the instrument, (3) the teoritical...

Adaptation of EPOCH Measure of Adolescent Well-being into Bahasa Indonesia

A. Setyandari
Research on psychological well-being has been done in many countries, including Indonesia. However, the instruments for psychological well-being measurement available in Bahasa Indonesia are limited. This study aimed to adapt the EPOCH Measure of Adolescent Well-being which was developed by Kern et.al....

The Role of Religion to Face Climate Change: A Survival Strategy of Christian Fishermen Families to Embody Gender Perspective and Spirituality of GPM's Congregation in Coastal Area of Nusaniwe Subdistrict Ambon City

Eklefina Pattinama, Vilma Vieldha Ayhuan
Climate change is a world phenomenon, it will cause changes in global temperature or warming, and then systematically will also affect the melting of the north and south poles which then will affect the rise of sea level and will also affect the coastal areas as well as the communities there. On the...

Chick’s Resilience from Broken Home in Mitch Albom’s for One More Day

Nindy Yulita, Rahmi Munfangati
The objective of the research is to describe the resilience process of Chick Benneto as a broken home child in the novel. The subject of this research is the novel For One More Day by Mitch Albom and the object is Chick’s resilience from broken home. This research is grouped into library research and...
Proceedings Article

Synthesis and Performance of A Novel Penetration Enhancer

Qin WU, Lei TANG, Haimin SHEN, Hongxin SHI
Preparation and percutaneous absorption of 2-methyl-2-perfluoro-2'-methyl-3'-oxoca- proyloxyl ethoxycarbonyl ethylmethyldipolyethoxylsilicane (V) were investigated. V was synthesized from 2-perfluoro-2'-methyl-3'-oxocaproyloxylethyl methacrylate and methyldichlorosilicane by hydrosilication, then by...
Proceedings Article

Management of Acute (Primary) Herpetic Gingivostomatitis in Immunocompetent Adult Patient: A Case Report

Andi Anggun Mauliana Putri, Febrina Rahmayanti
Acute (primary) herpetic gingivostomatitis (AHGS) is the most common form of HSV-1 infection in the oral cavity. These infections are reported mostly in children, usually localized and asymptomatic but in adult patients and immunocompromised conditions tend to be more severe, last longer, and can lead...
Proceedings Article

Research and Analysis of Mechanical Properties of Fiber Recycled Concrete

Xiangyin Meng, Xiaoyi Quan, Shimin Zhang
In order to study the fiber material on the mechanical properties of recycled concrete, based on PPF-1, PPF-2 and RSF-1 containing three fiber replacement rates were 30% and 50% recycled concrete specimens were studied. The results show that recycled concrete specimens containing fiber and ordinary concrete...

The Principal’s Conflict Management Strategy Through Increased Community Participation in the Era of Industrial Revolution 4.0

Nova Nova Syafira Ariyanti, Nova Syafira Ariyanti, Mustiningsih Mustiningsih, Imron Arifin
The purpose of this research is to describe the conflicts faced by the school through increased community participation. The study used a qualitative approach, with a multisite research plan. The research site is at SDN Tunjungsekar 5 and SDN Ketawanggede. Data collection techniques with in-depth interviews,...
Proceedings Article

The Vegetation Model: An Environmentally Friendly Farming System in the Management of Rice Stem Borer in South Sulawesi

Abdul Fattah, Sitti Nuraeni, Abdul Wahid Rauf
Stem borer is one of the main pests of lowland rice in South Sulawesi. Types of stem borer found include white stem borer (Scirpophaga innotata, yellow stem borer (S. incertulas), and striped stem borer (Chilo suppressalis) and red rice stem borer guava (Sesamia inferens (Walker). The four types of stem...

Reducing Soil Strength and Increase Growth and Results of Paddy (Oryza Sativa l.) on Acid Sulphate Soil

Agusalim Masulili, Agus Suyanto, Sutikarini, Donna Youlla
The purpose of this research was to determine the effect of rice husk of biochar combined with inorganic and organic amendments on soil strength, growth and yield of rice plants on acid sulphate soils. The research phase was to identify the physical properties of soil in both regions and the measurement...

The Effect of the Chair of School Leadership and Teacher Job Encouragement in the Success of Primary School Teachers

Ismail, Happy Fitria, Achmad Wahidy
The focus of this research is to identify: (1) the impact of main leadership on the performance of primary school teachers; (2) the effect of motivating teachers to work on the quality of elementary teachers; and (3) the role of primary leadership and encouragement of teachers at the same time on the...

The impact of Digital Transformation on the Innovation Performance of Manufacturing Enterprises from the Perspective of Cloud Manufacturing

Ying Zhang
Cloud manufacturing describes a model in which enterprises use the Internet of Things to connect equipment and share manufacturing resources, which greatly promotes technological innovation in enterprises and industries. This paper conducts a textual and quantitative analysis of the digital transformation...

The Influence of Tad Strategy and Students’ Self-Confidence on Writing Recount Text

Mutiara Irsa, Jufrizal, Ratmanida
Writing is an act of communication with other people in the written form. This article was set out to investigate the influence of TAD Strategy and students’ self-confidence toward writing recount text. The population of this research was the tenth grade of SMAN 1 Painan. The sample of this research...

Pancenan Tradition as a Social Studies Learning Resource: An Ethnopedagogical Approach

Nurokhmah, Arif Muhammad Yusuf, Muhammad Nursa’ban
The formulation of competencies in social studies learning includes spiritual and social competencies. These competencies can be achieved through learning resources in the social environment of the community that are directly related to daily activity. One of the learning resources that can be used as...

Implementing Blended Learning in Civics Education in Forming 21st Century Skills

Arini Fathia Handayani, Iim Siti Masyitoh, Abdul Azis Wahab
The necessity of industrialization development in 21st century is inevitable. This pushes the citizens to enhance their skills. In preparing themselves to face the era, there is a requirement for education that can increase the citizens’ creativity, innovation, and competitive nature. Technology usage...
Proceedings Article

Experimental Study on the Influence of Particle Size and Dosage of Calcium Carbonate on the Physical and Mechanical Properties of Red Clay

Chaoxiong Yi, Di Wu, Dan Li, Yuntao Wu
Red clay's high compressibility and shrinkage-swelling risks frequently cause geohazards in infrastructure projects, yet conventional cementitious stabilizers raise sustainability concerns. This study proposes calcium carbonate (CaCO₃) as an eco-modifier and systematically compares nano- (light)...

Effective Management Strategies In Educational Counseling: Using A Logical Approach To Encourage Indonesian Students To Explore Education In China Through Scholarship Programs

Ali Mufti Hasyim, Cyntiani Putri, Sir Kalifatullah Ermaya, Angga  Kurniawan
The interest of Indonesian students to continue their education abroad through scholarship programs, especially in China, is increasing along with globalization and rapid economic development. However, many students still do not understand the process and challenges faced in international study. This...

Language Variation in the Speech of Sellers and Buyers in Cekkeng Market, Tanah Kong-Kong Sub-District, Ujung Bulu District

Bulukumba District

Asnawi, Nurhayati, Lukman
Study This aiming For describe variation Language Which there is in speech seller And buyer in market Cekkeng, Tanah Kong-Kong Village, Ujung Bulu District, Bulukumba Regency with use approach qualitative. The implementation is as follows: (1) data provision stage, (2) data analysis stage, and (3) data...

Professional Risk Management in XYZ Certified Public Accountant Firm

Farrah Angelica Basalama, Agung Nugroho Soedibyo
As a professional service provider, applicable ethics, standards, and regulations must be the basis for making Certified Public Accounting (CPA) Firm’s procedures during the engagement. The number of financial report cases involving Public Accountants shows that there is negligence in implementing risk...
Proceedings Article

Development of Digital Literacy Performance Items to Improve Digital Electronics Competence of Vocational School Students

Nur Kholis, Bambang Suprianto, Munoto Munoto
This study aims to analyze and synthesize the development of performance items to improve digital literacy instruments using classical Test Theory and Item Response Theory by looking at the fit model index results on digital literacy instruments of Electrical Engineering vocational students. Research...
Proceedings Article

Classification of Tobacco Leaf Quality Using Feature Extraction of Gray Level Co-occurrence Matrix (GLCM) and K-Nearest Neighbor (K-NN)

Aeri Rachmad, Rinci Kembang Hapsari, Wahyudi Setiawan, Tutuk Indriyani, Eka Mala Sari Rochman, Budi Dwi Satoto
Tobacco is one of the largest agricultural products and is widely traded in the world market, including in Indonesia. In Indonesia, tobacco leaves are used as raw material for cigarettes which are mostly produced by cigarette companies. The quality of tobacco leaves greatly affects the quality of cigarettes,...
Proceedings Article

On Local (a, d)-Edge Antimagic Coloring of Some Graphs

Rifda Izza, Dafik, Arika Indah Kristiana, Ika Hesti Agustin, Ika Nur Maylisa, Elsa Yuli Kurniawati
All graphs considered in this paper are simple, finite and connected graph. Let G(V, E) be a graph with the vertex set V and the edge set E, and let w be the edge weight of graph G. with | V ( G ...