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We characterize the equations in the class 𝒜 of the second-order ordinary differential equations ẍ = M(t, x, ẋ) which have first integrals of the form A(t, x)ẋ + B(t, x). We give an intrinsic characterization of the equations in 𝒜 and an algorithm to calculate explicitly such first integrals. Although...

Indonesia has abundant natural resources. Tin is widely used in the world as weapons, fire-resistant clothing, electronics, and aviation components are some of the main items made from tin. World demand for tin is estimated to reach 360,000 tons per year and continues to increase along with advances...

STEM is a scientific discipline applied in learning to improve students’ 4C abilities. This study aimed to determine the effect of implementing STEM projects on students’ learning outcomes and motivation in environmental change and preservation. This quasi-experimental study used a non-equivalent control...

This study investigates how effectively the five-factor asset pricing model (FF5) elucidates the behavior of stock returns during COVID-19 pandemic and the period of 2000-2023. Using portfolio-level data and regression analysis, this study assesses the model’s ability to capture fluctuations in stock...

Romance holds a prominent position among the most sought-after genres in the Indonesian film industry. The romance genre favors deeper narratives and thematic elements driven by love between characters, but films in the romance genre are not just strong in narrative, but also in style. Mise-en-Scene...

In the growing of awareness towards investment, the capital in banking industry plays a vital role in Indonesia’s economy, it is important to ensure a good reporting quality. Corporate risk disclosure are the key elements that ensure a transparent and reliable report for investor to use and make the...

This research aims to examine the impact of strategy-based instruction on students' reading comprehension. This study uses pre-experimental research since the researchers want to investigate more profoundly in a group of 31 students sitting at a literal reading course. A package of a hundred and...

Based on the 2012-2023 China a-share manufacturing listed company data, around the manufacturing enterprise in the transformation of service “revenue growth” and “costs” the reality of the tension, build the theoretical model of ability to integrate internal and external relationships elements, Discusses...

The inclusion of local cuisines in hotel menus is vital for preserving cultural identity and enriching the hospitality experience. Yet, in many hotels across Accra, international dishes continue to dominate, often at the expense of indigenous food traditions. This study investigates the key factors that...

A modified cup-burner apparatus with a vibrating-spiral micro feeder was developed for testing the extinguishing performance of superfine powder fire extinguishing agent (SPEA). The suspension velocity of SPEA particles was calculated using the suspension-grade-model (SGD). The formation mechanism of...

The development of small business in Russia, despite the attention of the state, does not give significant results. Often, the reasons for the bankruptcy of small and medium-sized enterprises are inability to manage their own financial resources or ignorance of the financial position of partners. Regular...

Machining process simulation is an important aspect in the manufacturing context that generates a scenario to enhance the process performance in terms of time and cost. With unique high temperature and stress properties and applications of Inconel 718 material in various sectors of engineering, the machinability...

Abstract—The study proposed the use of collaborative strategic reading to enhance the students’ comprehension in reading narrative text. The study focused on literal and interpretive comprehension. The sample were the tenth grade students in MAN Pinrang which consisted of 28 students in A group and 28...

The industrial revolution 4.0 does not only have an impact on changes in technological culture in the fields of industry, agriculture and animal husbandry also have a significant impact. The application of technology in the field of animal husbandry can assist farmers in maximizing the results of their...

The ability to think critically in education in the 4.0 era is essential for students. Means-Ends Analysis is a learning model that can support these abilities. This study aims to determine the influence of the Means-Ends Analysis Learning Model on critical thinking skills in students. This research...

Applying specific learning strategies is widely claimed to improve critical thinking skills, but this success sometimes does not consider covariates in the research design. This study aims to explain the role of learning interest and prior knowledge as covariates in improving critical thinking skills....

This study aims to examine and analyze the level of understanding of accounting students towards assets, liabilities and equity of students in the Department of Accounting, Faculty of Economics and Business at Tadulako University. The method used in this research is quantitative by using primary data....

Currently, many adults have a hobby of collecting action figure toys, buying console games, or even playing with toys that are going viral. The reason for their behavior is they did not engage in these games when they were young, they could not afford to buy them, so when growing up and earning income,...

The aim of this paper is to carry out an empirical study on students’ satisfaction with online assessment and testing at some foreign language faculties at the University of Social Sciences and Humanities-Vietnam National University-HCM (USSH-VNU-HCM). Data were obtained by giving questionnaires to students...

This study aims to develop and to implement the Learning Management System (LMS) model in improving learning outcomes in Electronic Measurement (EM) subjects for students of vocational school in Bandung. LMS is an online learning system or e-learning, which is a web-based learning management application...

Bioleaching was used in this paper to leach heavy metals from tailings; Static magnetic field was used to strengthen the leaching rate of heavy metal (such as As and Cu), under the conditions of magnetic induction intensity separately were 1 m T, 2 m T ,5 m T , 8 m T and 11 m T , The results showed that...

The difficulty of using discovery learning model in learning mathematics is the presence of abstract elements that have not been able to be understood by junior high school students. One solution of the problem is to use interactive multimedia. The purpose of this article is to find out the effectiveness...

Background: Collateral coronary flow may protect patients against myocardial ischemia. There is no data regarding the difference in collateral development in relationship to coronary dominance and potential influence on outcome. We aimed to investigate whether there is a relationship between coronary...

Bacteria involved in the cellulose decomposition are dominant in the community of microorganisms of the rumen of various ruminants, including reindeer. Reindeer (Rangifer tarandus) is a unique ruminant adapted to live in adverse conditions of meager diet of the Far North. As a result of the study, it...

Uric acid is a heterocyclic substance that comes from metabolic breakdown of purine compound in the body. A condition where there is a high uric acid level (>7 mg/dl) in the human body is called hyperuricemia. Some traditional plants that often be used as alternative of hyperuricemia drugs by Indonesian...

This study aims to determine the effectiveness of physical activity model based on circuit for endurance of elementary school students. The research method used is experiment with pretest-posttest control group design. Population and sample were 108 students, consisting of 49 students from the Elementary...

Breast engorgement takes place because breast milk is not implanted adequately. In consequence, the rest of the milk is collected in the ductal system triggering engorgement. If the breast engorgement is not resolved, mastitis and breast abscess will occur. This study aims to determine the effect of...

Combining education and entertainment or edutainment is a new and trending idea in teaching young learners. Edutainment may enhance fun, interesting, creative, innovative, and meaningful learning. Edutainment in this study was teaching using Powtoon. Powtoon was used to support the teaching and learning...

In this paper, we research the performance of Apple App Store and Google Play Store in Indonesia. In this paper, we compare the distribution of each application category in their respective markets. Researchers are interested in application performance because of the increasing number of internet users...

Mathematical model uses a set of mathematical equation to represent of a system. In agriculture, one of the functions of mathematical models is to predict crop growth. The objective of this paper was to apply the logistic model to root growth of three types of vegetables, namely water spinach, mustard,...

Vocational High School is a school that has a curriculum whose graduates have specific skills that can be applied directly in the world of work according to their field. But in reality, many SMK graduates are not absorbed in the world of work, even SMK graduates are the biggest contributor to the Open...

The SAKTI is an application that is used by work units as a supporting media in the implementation of State Treasury and Budget System (SPAN), facilitating financial management processes ranging from planning to budget accountability reporting. This study is intended to identify factors that influence...

The purpose of this study is to examine the role of distributive justice, prosedural justice, interactional justice on organizational justice and their impact on affective commitment. As the population in this study are employees of street vendors on Jalan Palagan km. 4–9 sleman. With the sampling technique...

In recent years, China’s game market has been booming. We prepared a survey questionnaire with 18 questions, and 86 people participated in the survey. Questions 1 to 5 show that the proportion of men and women surveyed is equal, and their attitude towards games is relatively neutral. If they want to...

Every area of the global economy faces several environmental problems and their consequences on day-to-day operations. Due to the growing threat of global climate change, the concept of green finance receives increasing attention in recent economic literature. Our research indicates that green securities,...

The purpose of this quantitative study is to analyze the differences in students’ mathematical communication skills using discovery learning and reception learning models. The research sample was students of class MIA 1 and MIA 3 were the experimental class and class MIA 2 and MIA 4 were the control...

Background: The prevalence of autistic children has a significant increase. Autism can happen to all children from various social and cultural levels. Autistic behavior can be handled with several steps including through medical treatment, psychological therapy, behavior management, and diet regulation....

The internet as one of the medias that grows fast in Indonesia makes the people of Indonesia have a tendency to do various activities through internet facilities and other supporting applications. Some Indonesians prefer to use an online shop because it provides better convenience motivation and economic...

Since the establishment of Hangzhou cross border e-commerce comprehensive pilot zone in 2015, the cross-border e-commerce industry in Hangzhou has developed rapidly. This year, the Hangzhou municipal government proposed the need of “building the digital silk road strategy”, which will give birth to the...

This research is field research that aimed to determine the effect of e-commerce on the selling value of study MSMEs on 100 creative economy-based MSMEs in Sumbawa Regency. The samples were determined using the accidental sampling technique. The data used are quantitative in the form of respondents’...

This research and development aim to develop mobile learning media by using a software called Articulate Storyline 3 which is innovative, effective and attractive, so it is suitable for use. This research and development (R&D) use research steps by Borg & Gall which are combined into nine research...

The resulting imbalance in students’ soft skills and hard skills will result in the competency needs of the business world and the industrial world workforce not being met because hard skills and soft skills are important factors in students’ preparation for entering the business world and the industrial...

Covid-19 is an acute respiratory infectious disease caused by Coronavirus Strain Severe Acute Respiratory Syndrome Coronavirus 2 that was first identified in late 2019 in the city of Wuhan. The increase in the number of cases was quite rapid and spread to various countries in a short time. The government...

This study aims to develop and test the effectiveness of the “Eco-Wonders” creative education-based board game as a medium to enhance the science literacy of tutors at PKBM Homeschooling HSPG Jember. The Research and Development (R&D) method, following the Borg and Gall model, was employed, encompassing...

The Landawe language belongs to the Austronesian language group. The phonological study of the Landawe language includes phonological analysis; they are sound inventory, phoneme identification, phoneme distribution, and phoneme distinguishing characteristics. Sound inventory includes vocoid and contoid...

This study aimed to determine the quality and proportion of Bali Bull semen using the Percoll density gradient centrifugation (PDGC) method at different gradients with Andromed® diluent. The study was conducted at Singosari Artificial Insemination Center from December 2023 to February 2024. The experimental...

The increasing demand for electrical energy necessitates high power quality, especially in facilities with numerous nonlinear loads such as the Bali National Golf Club. These nonlinear loads generate current harmonics that degrade system performance and violate the IEEE 519–2014 harmonic standards. This...

The aims of the research were to find out (a) the level of the students' ability in making comprehension questions, (b) the students' map of problems in making comprehension questions. Data collecting technique of this research used a test based on comprehension. The population of the research was all...

Based on the freshmen enrollment information in a western university of China, this study explored the effects of individual background and family background on the major choice of higher school students in China. The study found that gender is an important factor influencing the choice of students in...

Objectives: Increasing evidence demonstrates the benefits of forest environment on human health. However, the effect of tree-species-specific forest environment on human health was rarely studied. As one of the medical plants, cinnamomum camphora (C. camphora) have been found to possess anti-inflammatory...