Herwin Herwin
YOU?
Author Swipe
View article: Character building through boarding school for inland and outermost student: a grounded theory approach
Character building through boarding school for inland and outermost student: a grounded theory approach Open
Many children who live in the interior and mountainous areas of Papua-Indonesia do not get the right of education. This research aims to formulate a theoretical concept of boarding school-based character education by implementing Papuan cu…
View article: Antibacterial activity and bioactive compounds of symbiotic bacterial isolates from Polycarpa aurata in Barrang Lompo Island, Makassar, Indonesia
Antibacterial activity and bioactive compounds of symbiotic bacterial isolates from Polycarpa aurata in Barrang Lompo Island, Makassar, Indonesia Open
Herwin, Alam G, Sartini, Hasan N, Rahim A, Rante H, Yulianti R, Rahman L. 2025. Antibacterial activity and bioactive compounds of symbiotic bacterial isolates from Polycarpa aurata in Barrang Lompo Island, Makassar, Indonesia. Biodiversita…
View article: Overcoming bullying: A phenomenological study of students' perceptions
Overcoming bullying: A phenomenological study of students' perceptions Open
Efforts to reduce bullying in schools require effective strategies. However, existing approaches primarily reflect teachers' perspectives, with limited attention to how students perceive and manage bullying. This study explores students' s…
View article: Inovasi Kuliner RiceBowl Udang Krispy Saus Pedas Manis sebagai Peluang Usaha di Kelurahan Lingkas Ujung
Inovasi Kuliner RiceBowl Udang Krispy Saus Pedas Manis sebagai Peluang Usaha di Kelurahan Lingkas Ujung Open
This study aims to examine the potential for developing culinary businesses based on innovation, especially ricebowls with crispy shrimp with sweet and spicy sauce, as a business opportunity in Lingkas Ujung Village. ricebowls with crispy …
View article: Pancasila Student Profile Strengthening Project: Self-Efficacy and Its Influence on Primary School Students' Motivation to Engage in Citizenship Issues
Pancasila Student Profile Strengthening Project: Self-Efficacy and Its Influence on Primary School Students' Motivation to Engage in Citizenship Issues Open
Good self-efficacy is a key factor in enhancing students' motivation to engage in citizenship issues. This study aims to analyze the impact of students' self-efficacy, resulting from the Pancasila student profile strengthening project in p…
View article: STEM Learning for Students Mathematical Numeracy Ability
STEM Learning for Students Mathematical Numeracy Ability Open
This research aims to determine the effect of STEM (Science, Technology, Engineering, and Mathematics) learning on students’ mathematical numeracy abilities. The research method uses descriptive quantitative research by only looking at the…
View article: Group Investigation Learning Model Influence on Prospective Elementary School Teachers’ Democratic Attidudes
Group Investigation Learning Model Influence on Prospective Elementary School Teachers’ Democratic Attidudes Open
Generally, the weakness in students' democratic attitudes stems from a lack of understanding of the principles of democracy. Therefore, there is a need for a successful learning model to instill democratic attitudes in students. The purpos…
View article: Antibacterial Activity of N-Hexan and Ethyl Acetate Fractions of Gaharu (Aquilaria Malaccensis) Leaves against Bacteria that Cause Infection
Antibacterial Activity of N-Hexan and Ethyl Acetate Fractions of Gaharu (Aquilaria Malaccensis) Leaves against Bacteria that Cause Infection Open
Gaharu (Aquilaria malaccensis) leaves contain alkaloids, terpenoids, flavonoids, saponins, and tannins that can help cure infections. This study aims to determine the antibacterial activity of n-hexane and ethyl acetate fractions of Gaharu…
View article: Antibacterial Activity of N-Hexan and Ethyl Acetate Fractions of Gaharu Leaves (Aquilaria malaccensis) Against Bacteria Causing Skin Infection
Antibacterial Activity of N-Hexan and Ethyl Acetate Fractions of Gaharu Leaves (Aquilaria malaccensis) Against Bacteria Causing Skin Infection Open
Gaharu (Aquilaria malaccensis) leaves are plants that are useful in the treatment of infectious diseases. This study aims to obtain n-hexane and ethyl acetate fractions of Gaharu leaves that have antibacterial activity against skin infecti…
View article: Enhancing heavy equipment engineering students' skills through hydraulic and pneumatic systems training at SMKN 1 Sungai Limau
Enhancing heavy equipment engineering students' skills through hydraulic and pneumatic systems training at SMKN 1 Sungai Limau Open
In the era of globalization, proficient technical skills are essential, especially in the field of heavy equipment engineering which requires an understanding of hydraulic and pneumatic systems. SMKN 1 Sungai Limau faces the challenge of l…
View article: Testing the Construct Validity and Reliability of the Student Learning Interest Scale Using Confirmatory Factor Analysis (CFA)
Testing the Construct Validity and Reliability of the Student Learning Interest Scale Using Confirmatory Factor Analysis (CFA) Open
Learning interest is one of the determining factors of student learning success. The low interest of students in learning process is caused by several problems that occur. Thus, learning interest is very important in learning progress, nam…
View article: Character Building through Boarding School for Inland and Outermost Students: A Grounded Theory Approach
Character Building through Boarding School for Inland and Outermost Students: A Grounded Theory Approach Open
Many children who live in the interior and mountainous areas of Papua-Indonesia do not get the right of education. This research aims to formulate a theoretical concept of boarding school-based character education by implementing Papuan cu…
View article: Testing the Construct Validity and Reliability of the Student Learning Motivation Scale Using Confirmatory Factor Analysis (CFA)
Testing the Construct Validity and Reliability of the Student Learning Motivation Scale Using Confirmatory Factor Analysis (CFA) Open
Constructivist learning environments are created by utilizing constructivist theory to raise teaching standards and motivate students to learn more. The low level of student motivation in the learning process is caused by several problems …
View article: Effects of coordination training with circuit method on forehand drive skill ability
Effects of coordination training with circuit method on forehand drive skill ability Open
The purpose of this study was to determine eye-hand coordination training with the circuit method in improving forehand drive ability. Participants (n = 20) table tennis athletes aged 8-12 years, the research method used is experimental. T…
View article: Cytotoxic Activity of Bioactve Compounds from Hydroid Aglophenia cupressina Lamoureoux against Hela Tumor Cells
Cytotoxic Activity of Bioactve Compounds from Hydroid Aglophenia cupressina Lamoureoux against Hela Tumor Cells Open
Hydroids are marine invertebrates living on sponges, which belong to the phylum Coelenterata. They also contain several chemical compounds, including alkaloids, steroids, terpenoids, and histamine, which can be used as medicinal raw materi…
View article: Social Media and Its Impact on Bullying Behavior of Primary School Students
Social Media and Its Impact on Bullying Behavior of Primary School Students Open
The development of information technology, the internet and social media is increasingly changing the way of socializing. Social media contains various information that can access by all users without filters. This can trigger users to imi…
View article: Perceptions of Pedagogy Lecturers and Students Regarding the Manifestation of Local Wisdom Values
Perceptions of Pedagogy Lecturers and Students Regarding the Manifestation of Local Wisdom Values Open
In the realm of education local wisdom has gained recognition as a foundational element for both individual and community growth. This study examines the shared perceptions of local wisdom values among lecturers and pedagogy students in In…
View article: RFID and Voice Recognition Based Dual Security System: A Robust Secured Control to Access Through Door Lock Operation
RFID and Voice Recognition Based Dual Security System: A Robust Secured Control to Access Through Door Lock Operation Open
Describe the problem faced in the research. Explain the method used in the research. Give the result of the research. Abstract contains of maximum 200 words Security system solutions for strategically important facilities are put in place …
View article: Antibacterial Activity of Tunicata Ethanol Extract Polycarpa Aurata gainst Escherichia Coli and Salmonella Typhi by TLC-Bioautography and Agar Diffusion
Antibacterial Activity of Tunicata Ethanol Extract Polycarpa Aurata gainst Escherichia Coli and Salmonella Typhi by TLC-Bioautography and Agar Diffusion Open
Tunicata Polycarpa aurata contains chemical compounds in the form of peptides and alkaloids that are cytotoxic and have the ability as antibacterial against several pathogenic bacteria. The aims of this study was to determine the antibacte…
View article: Antibacterial Activity of Ethanol Extract of Sirih Cina Leaves (Peperomia pellucida) Using TLC-Bioautography and Agar Diffusion Methods
Antibacterial Activity of Ethanol Extract of Sirih Cina Leaves (Peperomia pellucida) Using TLC-Bioautography and Agar Diffusion Methods Open
Sirih cina leaf (Peperomia pellucida) is a plant that contains active compounds of alkaloids, terpenoids, tannins, saponins, flavonoids and phenols that have potential antibacterial activity. This research aimed to determine the antibacter…
View article: Isolation Of Endophytic Fungi From Aloe Vera Against Bacteria That Cause Digestive Tract Infections By TLC-Bioautography And Agar Diffusion
Isolation Of Endophytic Fungi From Aloe Vera Against Bacteria That Cause Digestive Tract Infections By TLC-Bioautography And Agar Diffusion Open
The Aloe vera plant, also known as the Lidah buaya plant, has antibacterial properties due to its secondary metabolites, which include alkaloids, flavonoids, tannins, and saponins. In this study, endophytic fungi from Lidah Buaya (Aloe ver…
View article: Examining the Mind Mapping Model in Mathematics Learning for Elementary School Students: Self-Efficacy and Motivation
Examining the Mind Mapping Model in Mathematics Learning for Elementary School Students: Self-Efficacy and Motivation Open
The challenges of student learning in the 4.0 era must be balanced with mastery of 21st century skills. Mastery of skills must be balanced with students' mental maturity. The mental maturity of student learning can be developed by applying…
View article: Validity and Reliability of Child-Friendly School Policy Evaluation Instruments in Primary Schools: Confirmatory Factor Analysis
Validity and Reliability of Child-Friendly School Policy Evaluation Instruments in Primary Schools: Confirmatory Factor Analysis Open
Evaluation of child-friendly school (CFS) policies is essential to determine the achievements of school efforts in reducing violence cases. This research aims to proving the reliability and validity of CFS policy evaluation instruments in …
View article: How To Development of Pop Up Book Media To Improve Literacy In Tsunami Disaster Mitigation For Elementary School Students?
How To Development of Pop Up Book Media To Improve Literacy In Tsunami Disaster Mitigation For Elementary School Students? Open
This research aims to create a Pop Up book about disasters and assess how good and useful it is as a learning tool. This type of research is Research and Development (R&D), using a five-stage ADDIE development model, namely analysis, desig…
View article: Relationship Analysis and the Enhancement of Student Social Intelligence in Problem-Based Social Science Learning
Relationship Analysis and the Enhancement of Student Social Intelligence in Problem-Based Social Science Learning Open
This study seeks to investigate and analyze the relationship between the implementation of Problem-Based Learning (PBL) in Basic Social Sciences education at PGRI University Yogyakarta and the improvement of students' social intelligence. …
View article: Analyzing the Impact of Augmented Reality on Student Motivation: A Time Series Study in Elementary Education
Analyzing the Impact of Augmented Reality on Student Motivation: A Time Series Study in Elementary Education Open
Sub-optimal learning outcomes have been observed, often attributed to monotonous educational processes that struggle to retain students' focus and stimulate active participation.This study investigates the potential influence of Augmented …
View article: How is the Mathematical Connection Ability of Post-Pandemic Class IV Elementary School Students in whole Numbers Material?
How is the Mathematical Connection Ability of Post-Pandemic Class IV Elementary School Students in whole Numbers Material? Open
This study aims to analyze the mathematical connection ability of elementary school students in the material as whole counting numbers, and categories and based on indicators of mathematical connection ability. The subjects were students f…
View article: Antibacterial Activity of Ethanol Extract of Purple Kencana Leaves (Ruellia tuberosa L.) Using TLC-Bioautography and Agar Diffusion Methods
Antibacterial Activity of Ethanol Extract of Purple Kencana Leaves (Ruellia tuberosa L.) Using TLC-Bioautography and Agar Diffusion Methods Open
Kencana Ungu Leaf (Ruellia tuberosa L.) is a traditional plant that has antibacterial activity. The purpose of this study was to determine the antibacterial activity of the ethanol extract of Kencana Ungu leaves (Ruellia tuberosa L.) using…
View article: Antibacterial Activity of Ethanol Extract of Purple Kencana Leaves (Ruellia tuberosa L.) Using TLC-Bioautography and Agar Diffusion Methods
Antibacterial Activity of Ethanol Extract of Purple Kencana Leaves (Ruellia tuberosa L.) Using TLC-Bioautography and Agar Diffusion Methods Open
Tunjuk Langit Plant (Helminthostachys zeylanica (L.) Hook) contains a lot of secondary metabolite compounds, one of which is found in the root which contain the flavonoids ugonin and quercetin. The purpose of this study was to determine th…