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All Journal JURNAL PIJAR Jurnal Penelitian Pendidikan IPA (JPPIPA) ORBITA: Jurnal Pendidikan dan Ilmu Fisika Paedagoria : Jurnal Kajian, Penelitian dan Pengembangan Kependidikan KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pendidikan Fisika dan Teknologi Jurnal Analis Medika Biosains (JAMBS) Kasuari: Physics Education Journal (KPEJ) Kappa Journal Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Jurnal Ilmiah Profesi Pendidikan Journal of Classroom Action Research Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Hydrogen: Jurnal Kependidikan Kimia International Journal of Engineering, Science and Information Technology These proceedings represent the work of researchers participating in The International Conference on Elementary Education (ICEE) which is being hosted by the Elementary Education Study Programme School of Postgraduate Studies, Universitas Pendidikan Unram Journal of Community Service (UJCS) Journal of Science and Science Education (JoSSEd) Jurnal Penelitian dan Pembelajaran Fisika Indonesia Lensa: Jurnal Kependidikan Fisika Lambda: Jurnal Ilmiah Pendidikan MIPA dan Aplikasinya Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) International Journal of Essential Competencies in Education JIPI (Jurnal IPA dan Pembelajaran IPA) AMPLITUDO: Journal of Science & Technology Innovation MANDALIKA: Journal of Social Sciences International Journal of Science Education and Science Jurnal Wicara Desa ESENSI: Jurnal Riset Pendidikan Current Educational Review Journal of Material Science and Radiation Indonesian Journal of STEM Education International Journal of Contextual Science Education
Aris Doyan
Universitas Mataram
Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Neuroscience Physics Public Health Social Sciences Transportation Other

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Trends in Problem-Based Learning (PBL) Models to Improve Science Process Skills in Students' Science Learning (2015-2024): A Systematic Review Cahyani, Novia Intan; Doyan, Aris; Purwoko, Agus Abhi; Sani, Yunita Arian
International Journal of Science Education and Science Vol. 2 No. 2 (2025): September
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/ijses.v2i2.260

Abstract

Intelligence ecological must owned by each humans to be able to interact with Good together nature, science process skills can improved through various method. PBL is one of the learning models based on problems that have been tested as one of the to increase science process skills through settlement problem. Research This is analysis literature data about study science process skills. The data used in study This obtained from Google Scholar indexed documents from 2020-2024 using Publish or Perish and Dimension.ai. Procedure study use PRISMA guidelines. Data identified and analyzed is type publications, sources publication, and title study about the PBL model for increase science process skills in lots of science learning quoted. The data analysis method uses analysis assisted bibliometrics​ with device VOS viewer software. Research results Analysis show that trend PBL model research for increase science process skills in Google Scholar indexed science learning from 2020 to 2024 experienced​ fluctuating increase. However, in 2024 it will happen decline trend study about it. There are many document in form articles, proceedings, chapters, preprints, and edited books that discuss study about the PBL model for increase science process skill
Effectiveness of E-Modules Assisted by Heyzine Flipbooks Topics of Temperature and Heat Integrated in Ethnoscience to Improve Students' Literacy Science Abilities Saputra, Lalu Muhammad Rispan Sugi; Doyan, Aris; Sukarso, AA
Journal of Science and Science Education Vol. 6 No. 2 (2025): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jossed.v6i2.10858

Abstract

This study explores the effectiveness of an e-module supported by Heyzine Flipbooks, specifically targeting the topics of temperature and heat integrated with ethnoscience, to enhance students' science literacy abilities. Conducted with 24 seventh-grade students in East Lombok, the research employed a Research and Development (R&D) approach, adhering to the 4D model (Define, Design, Develop, Disseminate). The results demonstrated a significant improvement in students' literacy, with average pre-test scores increasing from 29 to 77 post-test, resulting in an N-gain of 68%. The findings suggest that the e-module effectively enhances students' capabilities in explaining scientific phenomena, evaluating investigations, and interpreting data, particularly through the integration of local cultural contexts. The study concludes that digital learning media, when combined with ethnoscience, can foster meaningful science learning experiences
Integrating PBL, Ethno-STEM, and AR for Critical Thinking and Digital Literacy: A Systematic Review (2016–2025) Amanah, Prelia Dwi; Rahayu, Satutik; Gunawan, Gunawan; Doyan, Aris
Journal of Science and Science Education Vol. 6 No. 2 (2025): October
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jossed.v6i2.11431

Abstract

This study aims to describe research trends related to the integration of Problem-Based Learning (PBL), Ethno-STEM, and Augmented Reality (AR) in improving students' critical thinking skills and digital literacy during the period 2016 to 2025. The formulation of the problem in this study is how the development of scientific publications related to the integration of the three approaches and their contribution to strengthening 21st century skills. The method used is descriptive analysis with a bibliometric approach using data from Google Scholar analyzed through Publish or Perish (PoP), Dimensions.ai, and visualized using VOSviewer. The results of the study show a significant increasing trend in publications discussing the integration of PBL, Ethno-STEM, and AR, especially since 2022, as well as the dominance of publications in the form of book chapters. In addition, keyword visualization confirms that the theme of developing innovative learning models, critical thinking, and digital literacy is the main focus in modern science education research. This study recommends further development of the integration of contextual and technological approaches to support improving the quality of learning in the digital era.
A Systematic Review of Research Trends on Creative Thinking Skills in Chemistry Learning (2015-2024) Nurul Hidayah; Wahyuni Arafani; Aris Doyan; Syarful Annam
Indonesian Journal of STEM Education Vol. 6 No. 2 (2024): Edisi Juli-Desember 2024
Publisher : Indonesian Publication Center

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Creative thinking skills are one of the aspects that are part of 21st-century skills. However, students' creative thinking ability is still relatively low so it is very important to improve this ability. This study aims to identify and analyse research trends in creative thinking skills in chemistry learning from 2015-2024. This research method is descriptive and analytical, with data obtained from documents indexed by Google Scholar using Publish or Perish and Dimension.ai. The research procedure uses PRISMA guidelines and data analysis is carried out using bibliometric analysis assisted by VOS viewer software. The results of the analysis show that the trend of research on creative thinking skills in chemistry learning has increased and decreased during the period 2015-2024. The increase in the number of publications occurred from 2015 to 2018, then decreased in 2019, and increased again from 2020-2021. However, the trend decreased again in 2022-2023. There are many documents in the form of Chapters, Articles, Edited Books, monographs, Proceedings, and Preprint that discuss research on creative thinking skills in chemistry learning. Keyword analysis shows that the most frequently occurring terms in this research include Chemistry Learning 280 times and Creative Thinking 204 times. This trend reflects the growing attention to creative thinking in chemistry learning and indicates the need for further efforts to improve research and applications in this area.
A Systematic Review of The Trends Research Scientific Reasoning Ability in Students' Biology Learning (2015-2024) Wahyuni Arafani; Nurul Hidayah; Aris Doyan; Syarful Annam
Indonesian Journal of STEM Education Vol. 6 No. 2 (2024): Edisi Juli-Desember 2024
Publisher : Indonesian Publication Center

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

One aspect that is part of 21st century skills is scientific reasoning ability. Scientific reasoning ability is important to know because it represents a collection of skills and abilities needed to complete tasks in the process of science investigation. Therefore, scientific reasoning ability should be trained and incorporated into the science learning process. This study aims to identify and analyze the research trends of scientific reasoning ability in biology learning. This research method is descriptive and analytical. The data used in this study were obtained from Google Scholar indexed documents from 2015-2024 using Publish or Perish and Dimension.ai. The research procedure uses PRISMA guidelines. The data identified and analyzed were the type of publication, the source of publication, and the title of scientific reasoning ability research in biology learning that was widely cited. The data analysis method uses bibliometric analysis assisted by VOS viewer software. The results of the analysis showed that the trend of scientific reasoning ability research in learning biology indexed by Google Scholar from 2015 to 2024 experienced a fluctuating increase (the condition of the rise and fall of a data). Research trends with an increasing number of publications from 2015 to 2018. However, in 2019 and 2022 the research trend of scientific reasoning ability in biology learning decreased from the previous year and the research trend increased again in 2023. There are many documents in the form of book chapters, articles, edited books, monographs, preprints and proceedings that discuss research on scientific reasoning skills in learning biology. Keyword analysis shows that the most frequently occurring terms in this study include Scientific Reasoning Ability 273 times. This trend reflects the growing attention to scientific reasoning ability in scientific reasoning ability in biology learning and suggests the need for further efforts to improve research and applications in this area.
Involving STEM Students in Critical Analysis Tasks on the Processes of Modifying Optical Properties of Materials Bilad, Muhammad Roil; Doyan, Aris
International Journal of Essential Competencies in Education Vol. 2 No. 2 (2023): December
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/ijece.v2i2.1597

Abstract

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Project-Based Learning and Biopreneurship for Developing Students’ Systems Thinking: A Literature Review Anjani, Aprilia Ika Dewi; Jufri, A. Wahab; Artayasa, I Putu; Doyan, Aris
Current Educational Review Vol. 1 No. 4 (2025): December
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/cer.v1i4.408

Abstract

Systems thinking is one of the most important abilities in the 21st century. Systems thinking helps students organize their thoughts in a meaningful way and make connections between seemingly unrelated problems to reveal their interrelatedness. Through systems thinking, learners are directed to first recognize a problem, understand the links between the factors causing the problem, and finally find the right solution and prevent new problems from arising. Systems thinking skills can be facilitated through learning with an integrated biopreneurship Project-Based Learning (PjBL) model. This study aims to identify how the positive trends of research on biopreneurship and systems thinking variables. This research method is descriptive and analytical. The data used in this study were obtained from documents indexed by Google Scholar from 2016 to 2025 using Publish or Perish and Dimension.ai. The data identified and analyzed were the type of publication, the source of publication, and the title of the research on the project-based learning (PjBL) model integrated with biopreneurship to improve students' systems thinking skills. The data analysis method uses text analysis assisted by VOS viewer software. The results of the study show that the research trend of the biopreneurship PjBL model to improve system thinking skills is very low from 2016-2025. In the period 2016 to 2019, no publications were recorded. Entering 2020 and 2021, the number of publications began to appear, with one publication per year each. However, in 2022, there was a drastic decline to zero, indicating that there were no publications that met the criteria. A positive trend was again seen in 2023 with one publication, and the peak occurred in 2024, where two publications were recorded, being the highest number in the observed period
Comparative Characterisation of Structural and Superconducting Properties of Y-123 and Y-247 Synthesised by Thermal Treatment at 980 °C Yap, Siew Hong; Er, Tai Pao; Kechik, Mohd Mustafa Awang; Karim, Muhammad Khalis Abdul; Baqiah, Hussien; Chen, Soo Kien; Lim, Kean Pah; Shabdin, Muhammad Kashfi; Hapipi, Nurhidayah Mohd; Kamarudin, Aliah Nursyahirah; Mohamed, Arebat Ryad Alhadei; Doyan, Aris; Shaari, Abdul Halim
Journal of Material Science and Radiation Vol. 1 No. 3 (2025): December
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/jmsr.v1i3.425

Abstract

This study presents a comparative analysis of the structural and superconducting properties of YBa₂Cu₃O₇−δ (Y-123) and Y₂Ba₄Cu₇O₁₅−δ (Y-247) superconductors synthesised via a thermal treatment method at 980 °C. Metal nitrates were used as starting precursors, with polyvinylpyrrolidone (PVP) serving as a capping agent to enhance dispersion and control microstructure. X-ray diffraction (XRD) confirmed that Y-123 and Y-247 were the dominant phases in their respective samples, although minor peaks of BaCuO₂ were detected, indicating the presence of secondary phases. Scanning electron microscopy (SEM) revealed that Y-247 exhibited larger grain morphology and higher porosity than Y-123, suggesting that the chosen sintering temperature exceeds the thermal stability range for the Y-247 phase. Electrical resistivity measurements showed a single superconducting transition for both samples, with Y-123 exhibiting a sharper transition width (ΔTc = 8.1 K) compared to Y-247, indicating better grain connectivity and phase uniformity. Energy dispersive X-ray spectroscopy (EDX) supported the elemental presence of Y, Ba, Cu, and O in both samples, though variations in stoichiometry were attributed to secondary phases. The observed expansion in the c-axis lattice of Y-247, combined with its higher porosity, points to oxygen loss during sintering, which contributes to the reduced superconducting performance. Overall, the results confirm that both Y-123 and Y-247 can be successfully synthesised using a simple and environmentally friendly thermal treatment method. However, Y-123 exhibits better structural integrity and superconducting performance at the high sintering temperature of 980 °C, making it a more promising candidate for large-scale production of bulk high-temperature superconductors.
The Effect of Cooperative Learning Model Type Student Team Achievement Divisions (STAD) Assisted by Virtual Media on Students' Concept Mastery Ability Abelia Berliana Casandra; Wahyudi; Aris Doyan; Sutrio
International Journal of Contextual Science Education Vol. 3 No. 2 (2025): April - June 2025
Publisher : Postgraduate Program, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ijcse.v3i2.1010

Abstract

This study aims to determine the effect of the Student Team Achievement Divisions (STAD) type cooperative learning model assisted by virtual media on students' concept mastery ability on static fluid material. The background of this study is based on the low level of mastery of students' concepts due to the dominance of conventional learning methods that lack interaction and the limited use of interactive learning media. This research is a quasi-experiment with a pretest-posttest control group design. The research subjects were students of class XI at SMAN 2 Mataram which were divided into experimental and control classes. The instrument used was a multiple choice test totaling 15 questions to measure concept mastery. The results showed that there was a significant increase in the posttest scores of students in the experimental class compared to the control class. The independent t-test showed a significance value <0.05, indicating a significant effect of the application of the STAD model assisted by virtual media on students' concept mastery. This finding shows that the combination of cooperative learning approach and virtual media such as PhET simulation and learning video is effective in increasing students' active participation, concept visualization, and understanding of physics materials.
Independent Curriculum: Correlation Between Science Process Skills and Cognitive Abilities with Students' Caring Attitudes in Junior High Schools Hikmawati Hikmawati; Aris Doyan; Supriadi; Rohani
International Journal of Contextual Science Education Vol. 3 No. 2 (2025): April - June 2025
Publisher : Postgraduate Program, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ijcse.v3i2.1023

Abstract

This study aims to explore the relationship between science process skills, cognitive abilities, and students' caring attitudes in the context of project-based learning in the Independent Curriculum era. The project implemented is the processing of plastic waste into eco-friendly bricks stools, which is also part of the Pancasila Student Profile Strengthening Program with the theme of a sustainable lifestyle. This study uses a quantitative approach with a correlational design. Data were obtained from 86 seventh grade students at SMP Negeri 16 Mataram. The research instruments included a science process skills test, a cognitive ability test, and a caring attitude questionnaire. The results of the Pearson Correlation test showed that science process skills had a significant relationship with cognitive ability (r = 0.992). The results of the Kendall's tau-b Correlation test showed that science process skills had a significant relationship with caring attitude (τb = 0.798) and caring attitude had a significant relationship with cognitive ability (τb = 0.889). In other words, it can be said that project-based learning can improve science process skills and cognitive ability while building a character of caring attitude towards the environment. Therefore, it can be concluded that the implementation of project-based learning in the Independent Curriculum, such as making stools from eco-friendly bricks, has a positive impact on developing science process skills and cognitive abilities as well as students' caring attitudes. Project-based learning can be an alternative innovative model to be implemented at various levels of education so that efforts are needed to train teachers in implementing this learning model, and support from schools and government policies to improve the sustainability of environmental-based education.
Co-Authors 'Ardhuha, Jannatin 'Ardhuha, Jannatin A, Syahrial A. Wahab Jufri A.A. Ketut Agung Cahyawan W AA Sudharmawan, AA AA Sukarso Abadi, Muhammad Abdul Syukur Abdullah, Eka Nur Wulandari Abelia Berliana Casandra Adi Susilo Adisan, Adisan Afandi, Samsul Agus Abhi Purwoko Agus Ramdani Agus Ramdani Ahadusifa, Sarairina Ahmad Busyairi, Ahmad Ahmad Harjono Ahzan, Sukainil Al Fiyatoen Sevtia Al-Qoyyim, Thufail Mujaddid Alfido Fauzy Zakaria Alrizal, Fahmi Firdaus Amanah, Prelia Dwi Anak Agung Ayu Niti Wedayani Anak Agung Istri Dhika Dharma Putri Anjani, Aprilia Ika Dewi Annisa Annisa Apriani, Ni Wayan Riska Ardianti, Nuraini Rachma Ayu Listari Azzumar Wirahadi ‘Ardhuha, Jannatin Bahtiar Bahtiar Baiq Nabila Saufika Zainuri Bakhtiar Ardiansyah Baqiah, Hussien Bilad, Muhammad Roil Cahyani, Novia Intan Chen, Soo Kien Daeng, Ade Claudia Asnan Damayanti, Isniwana Dedi Riyan Rizaldi Deswita Devi, Via Monica Deyan Syahirah Khairunnisa Er, Tai Pao Faizin, Ruhil Faresta, Rangga Alif Fatimah, Ziadatul Fitriani, Siti Rahayu G. Gunawan, G. Gito Hadiprayitno Gummah, Sifaul Gummah, Syifaul Gunawan Gunawan Gunawan Gunawan Gunawan Haeratunisah Hakim, Aliefmam Hakim, Syamsul Hamidi Hamidi Hamidi Hamidi Handayani, Yayuk Handrianto, Handrianto Hapipi, Nurhidayah Mohd Haris Munandar Harpani, Baiq Fara Audy Harry Soeprianto Hartati, Fitriana Yuni Hasnaini, Yulina Ha’, Maheran Che Herdina, Awidya Hidayatul Aini Hikmawati Hikmawati Hikmawati Hikmawati Hikmawati Hikmawati Hikmawati*, Hikmawati husnul fuadi, husnul Hutabarat, Risnawati Agustin I Ketut Mahardika I Wayan Gunada I Wayan Gunada Ibrahim Ibrahim Ilham Halik, Ilham Infarlina, Baiq Hurun Iqlima, Sheiliana Ira Galih Isni Sahrianti Izzatun Nidda Jahria Jahria JANNATIN ARDHUHA, JANNATIN Jaswadi Joni Rokhmat Joni Rokhmat Kamal, Izdihar Kamarudin, Aliah Nursyahirah Karim, Muhammad Khalis Abdul Kartini Kartini Kechik, Mohd Mustafa Awang Khaerus Syahidi Kien, Chen Soo Kosim Kosim . Kosim Kosim Kouamé, Alfred Niamien Kouamé, Alfred Niamien Kusumayati, Baiq Arum Laksari, Zarina Oktavia Dwi Lalu Mulyadi Lathifah, Miqro’ Fajari Lestari, Helmayani Lia Nurmayani Lim, Kean Pah Linda Sekar Utami Listari, Ayu Lugi, Fitirana Lutfiah Dina Aulia Lutfiah Dina Aulia Madlazim Madlazim Mahdini Mahdini Mahrus Mahrus, Mahrus Marliani, Nisrina Martiana, Rina Maulia, Kiki Rizki Méité, Namory Méité, Namory Melita, Ayu Safitri Moammar Qadafi Mohamed, Arebat Ryad Alhadei Mohammed, Yusri Muh. Makhrus Muh. Taufik Muhamad Zaenudin, Muhamad Muhammad Dwikhi Mursyam Aldi Muhammad Hanafi Muhammad Ikhsan Muhammad Ikhsan Muhammad Ilham Januarta Muhammad Makhrus, Muhammad Muhammad Taufik MUHAMMAD TAUFIK Muhammad Tegar Septiaji Pramudyawan Muhammad Zaini Muhammad Zuhdi Muliadi, Irman Muliyadi, Lalu Munib Munib, Munib Muntari Muntari Muntari Muntari Musta, Baba Napaani Syafaati Nazarudin Ni Luh Putu Pebri Artayani . Ni Nyoman Sri Putu Verawati Ni Nyoman Sugiartini Nisrina, Nina Nur Ulla Azizati Rohima Nuraini Rachma Ardianti Nurjannah, Eka Nurlaela Nurlaela Nurul Hidayah Nurul Hidayah Nuzulia, Chantika Rizki Nyoman Sri Putu Verawati, Ni Nyoman Sridana Oki Alfernando Pah, Lim Kean Pandu, Anggir Pauzi, Iswari Pineda, Chester Ian S. Pratiwi, Rosi Prayogi, Saiful Purwoko, Agus Abi Puspita, Dewa Ayu Dwik Dela Putri , Izlayani Putu Artayasa Qahfi, Bung Ashabul Rahmatin, Johana Aulina Ramadan, Agus Ramilia Laksmi Utari Umar Ratnasari, Rika Raudah Anjani Rehman, Khaista Restuningdyah, Novia Andansari Putri Rika Ratnasari Rizky Munandar Rodi Atma Putra Rohani Ronodirdjo, Muhammad Zuhdi Rukmana, Hardianti RUTH RIZE PAAS MEGAHATI, RUTH RIZE PAAS S. Hakim Sa'idah Sa'idah Safitri, Tina Alfiana Sahidu, Haerunisyah Sahidu, Hairunisa Sahlam Sahlam Sahwi, Sahwi Sani, Hadijah Mutiara Sani, Yunita Arian Saprizal Hadisaputra Saputra, Lalu Muhammad Rispan Sugi Saputra, Lalu Rizki Aldi Sari, Linda Silvana Sarkingobir, Yusuf Satipa, Denda Anung Satutik Rahayu Sayuti, Khairil Amir Selviana Haerani Septian Ananda Saputri Setiati, Nunung Shaari, Abdul Halim Shabdin, Muhammad Kashfi Shariff, Khairul Khaizi Mohd Siti Aminah Soeprianto, Hary Sri Astutik Subki Subki Sudirman Sudirman Sudirman Sudirman Suhadi, M. Robi Agus Sukarso, A.A Sukarso, Aa Sukarso, AA. Sukor, Safia Izzati Abd Supriadi Supriadi Susi Putri Nawansi Susilawati Susilawati Susilawati - Susilawati, Susilawati Sutrio Sutrio Syahrial A, Syahrial A Syahrial Ayub Syahrial Ayub, Syahrial SYAHRIAL SYAHRIAL Syamsul Hakim Syarful Annam Tasya Marwah Salsabilla Taufik, M.Si, Muhammad Tia Safira Ubadah, Lazizatul Ullyani, Nurul Upe’ Sinta Wangi Upe’ Sinta Wangi Virgi Puspita Dewi Wahyudi WAHYUDI Wahyudi Wahyudi Wahyudi Wahyudi Wahyuni Arafani Wahyuni Arafani Wati, Eka Prasetia Widianti Widianti Wildan Wildan Windy Aulia Yaakob, Yazid Yap, Siew Hong Yaya, Ouattara Leygnima Yayuk Andayani YUNITA ARIAN SANI ANWAR Yustika Aprilia ‘Ardhuha, Jannatin