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All Journal VALENSI Cakrawala Pendidikan Jurnal Sains Dasar Jurnal Inovasi Pendidikan IPA EduChemia: Jurnal Kimia dan Pendidikan International Journal of Science and Applied Science: Conference Series PAEDAGOGIA Journal of Natural Science and Integration International Journal of Pedagogy and Teacher Education Kwangsan: Jurnal Teknologi Pendidikan JKPK (Jurnal Kimia dan Pendidikan Kimia) International Journal of Educational Research and Social Sciences (IJERSC) Proceeding Biology Education Conference International Journal of Science and Society (IJSOC) AMPLITUDO: Journal of Science & Technology Innovation International Journal of Renewable Energy Development Educational Studies and Research Journal Jurnal Pendidikan IPA Indonesia Jurnal Pendidikan MIPA
Sulistyo Saputro
Universitas Sebelas Maret
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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KAJIAN ADSORPSI ION LOGAM Cr(VI) OLEH ADSORBEN KOMBINASI ARANG AKTIF SEKAM PADI DAN ZEOLIT MENGGUNAKAN METODE SOLID-PHASE SPECTROPHOTOMETRY (SPS) Saputro, Sulistyo; Masykuri, Mohammad; Mahardiani, Lina; Mulyani, Bhakti; Wahyuni, Nita Tri
Jurnal Sains Dasar Vol 5, No 2 (2016): October 2016
Publisher : Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.242 KB) | DOI: 10.21831/jsd.v5i2.13718

Abstract

Penelitian ini bertujuan untuk memanfaatkan kombinasi arang aktif sekam padi dan zeolit sebagai adsorben dalam mengadsorpsi ion logam Cr(VI) dan mempelajari pengaruh komposisi adsorben kombinasi arang aktif sekam padi dan zeolit dalam mengadsorpsi ion logam Cr(VI), serta sensitivitas metode solid-phase spectrophotometry (SPS) untuk menentukan penurunan kadar ion logam Cr(VI) dalam skala μg/L. Arang aktif sekam padi yang digunakan diperoleh melalui proses aktivasi dengan perendaman dalam larutan ZnCl2 10% sedangkan zeolit menggunakan larutan H2SO4 10%. Pengontakan adsorben dengan ion logam Cr(VI) dilakukan dengan variasi komposisi adsorben arang aktif  sekam padi dan zeolit  1:1, 1:2, 1:3, dan 2:1. Analisis kadar Cr(VI) dilakukan menggunakan metode solid-phase spectrophotometry (SPS). Karakterisasi arang aktif sekam padi dan zeolit dilakukan menggunakan FTIR. Hasil penelitian ini menunjukkan bahwa: (1) kombinasi arang aktif sekam padi dan zeolit dapat digunakan sebagai adsorben dalam mengadsorpsi ion logam Cr(VI) dengan kapasitas adsorpsi 0,28 µg/g; (2) komposisi optimum adsorben adalah 1:2 dengan persentase penyerapan sebesar 40,99%; (3) solid-phase spectrophotometry (SPS) merupakan metode yang sensitif untuk analisis penurunan kadar  ion Cr(VI) dalam tingkat µg/L dengan Limit of Detection (LOD) sebesar 0,021 µg/L. Kata kunci : adsorpsi, Cr(VI), arang aktif sekam padi, zeolit, solid-phase spectrophotometry Abstract This study aims to study the use of activated rice husk charcoal and zeolite as combination adsorbents to adsorb Cr(VI) metal ions; the effect of the combination adsorbents of activated rice husk charcoal and zeolite’s compositions to adsorb Cr(VI) metal ions; and the sensitivity of solid-phase spectrophotometry (SPS) as a method to determine the reduced levels of Cr(VI) metal ions in the level of 15μ" g/L. The activated rice husk charcoal used were obtained through the activation process by soaking in a solution of ZnCl2 10% while the zeolite with a solution of H2SO4 10%. The contacting process of the adsorbents with Cr(VI) metal ions was done by varying the compositions of the activated rice husk charcoal and zeolite adsorbent, 1:1, 1:2, 1:3, and 2:1. The data analysis of the Cr(VI) level used solid-phase spectrophotometry (SPS) method. Characterization of activated rice husk charcoal and zeolite used FTIR. The results showed that: (1) a combination of activated rice husk charcoal and zeolite can be used as adsorbent to adsorb Cr(VI) metal ions with the adsorption capacity was 0,28 15μ" g/g; (2) the optimum composition of adsorbents was 1:2 with the percentage of absorption was 40,99%; (3) solid-phase spectrophotometry (SPS) is a sensitive method to determine the reduced levels of Cr(VI) in the level of 15μ" g/L with the limit of detection (LOD) was 0,021 15μ" g/L. Keywords: adsorption, Cr(VI),  activated  rice husk charcoal,  zeolite, solid-phase spectrophotometry
Guided Discovery-based thermochemistry modules to enhance critical thinking ability and process science skills: development and experimental results Obianto Babys, Jekson; Saputro, Sulistyo; Budi Utomo, Suryadi
International Journal of Educational Research & Social Sciences Vol. 5 No. 3 (2024): June 2024 ( Indonesia - Ethiорiа - Nigeria )
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijersc.v5i3.838

Abstract

The purpose of this study was to determine the results of testing the development of chemical modules on thermochemical materials. The method used in this study is a mixed method, namely qualitative and quantitative methods. Twelve assertions about the module, including its substance, language, presentation, and graphics, were included in a questionnaire that was used to collect the data. In order to improve the module, respondents were given the opportunity to offer suggestions at the conclusion of the questionnaire. The research's trial portion was conducted in two stages, a minor test and a major test. Chemistry instructors and pupils from three state senior high schools served as the study's subjects. While 30 students and 5 teachers were present for the major trial, only 15 students and 3 teachers were present for the minor trial. The results of the quantitative analysis obtained an average minor test result of 73.91% in the good enough category for teachers and 74.72% for students in the good enough category. Major test results obtained an average of 82.5% in the very good category for teachers and 80.13% for students in the very good category. The qualitative method is based on the suggestions given by the teacher and students and obtained from the questionnaire. There were several suggestions for revisions obtained during these two stages, namely the need to add the amount of information about chemistry, add answers to questions in the module, add pictures or illustrations, correct some typing errors, and slightly enlarge the column of student answers in the module.
PENGEMBANGAN MODUL PROJEK IPAS PADA JURUSAN TEKNIK KENDARAAN RINGAN (TKR) DI SMKN 1 NGRAYUN PONOROGO Hidayah, Arin Khoirul; Budi Rahardjo, Sentot; Saputro, Sulistyo
Kwangsan: Jurnal Teknologi Pendidikan Vol 11, No 2 (2023): Kwangsan
Publisher : Balai Besar Guru Penggerak Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31800/jtp.kw.v11n2.p625--638

Abstract

Project Based Learning (PjBL) is a learning method that uses projects/activities as media. This method requires students to be able to explore, assess, interpret, synthesize, and information to produce various forms of learning outcomes. This study aims to determine the characteristics of the module, validity, practicality and effectiveness of the PjBL-based IPAS teaching module in the TKR Light Vehicle Engineering Department at SMKN 1 Ngrayun Ponorogo. This type of research is research and development or (R&D). The research will be conducted at SMKN 1 Ngrayun Ponorogo. This study uses a qualitative and quantitative approach with the development model used is the Four-D Model (4-D) which consists of four stages, namely: Define, Design, Develop, Disseminate). The results of this study indicate that the teaching modules based on the Project Based Learning (PjBL) model have met the criteria of validity, practicality and effectiveness. The validity criteria based on the results of the open module validation analysis by the validator are in the very valid category. the average implementation value is 1.7925 with the category fully implemented because it is at a distance of 1.5 ≤ M ≤ 2.0 so that the open module meets the practicality criteria. This shows that the teaching modules developed can be used in science learning on the aspects of substances and their changes. The teacher response questionnaire includes statements related to open modules so that a teacher response score of 99% is obtained and overall is in the very practical category because it is in the range of 81% to 100%. Students' responses to teaching modules are known by giving questionnaires containing statements related to teaching modules and knowing students' opinions about the learning carried out. The student response was 98.75% and overall it was in the very practical category because it was in the range of 81% - 100%. AbstrakPenelitian ini bertujuan untuk mengetahui karakteristik modul, validitas, praktikalitas dan efektivitas modul pembelajaran IPAS berbasis PjBL pada Jurusan Teknik Kendaraan Ringan TKR SMKN 1 Ngrayun Ponorogo. Jenis penelitian ini adalah penelitian dan pengembangan atau (R&D). Penelitian akan dilakukan di SMKN 1 Ngrayun Ponorogo. Penelitian ini menggunakan pendekatan kualitatif dan kuantitatif dengan model pengembangan yang digunakan adalah Model Four-D (4-D) yang terdiri dari empat tahap yaitu: Define, Design, Develop, Disseminate). Hasil penelitian ini menunjukkan bahwa modul ajar berbasis model Project Based Learning (PjBL) telah memenuhi kriteria validitas, praktikalitas dan efektivitas. Kriteria validitas berdasarkan hasil analisis validasi modul terbuka oleh validator berada pada kategori sangat valid. nilai rata-rata implementasi sebesar 1,7925 dengan kategori terlaksana sepenuhnya karena berada pada jarak 1,5 ≤ M ≤ 2,0 sehingga modul terbuka memenuhi kriteria kepraktisan. Hal ini menunjukkan bahwa modul ajar yang dikembangkan dapat digunakan dalam pembelajaran IPA pada aspek zat dan perubahannya. Angket respon guru memuat pernyataan-pernyataan terkait modul terbuka sehingga diperoleh skor respon guru sebesar 99% dan secara keseluruhan masuk dalam kategori sangat praktis karena berada pada rentang 81% hingga 100%. Respon siswa terhadap modul pengajaran diketahui dengan memberikan angket yang berisi pernyataan-pernyataan terkait modul pengajaran dan mengetahui pendapat siswa terhadap pembelajaran yang dilaksanakan. Respon siswa sebesar 98,75% dan secara keseluruhan berada pada kategori sangat praktis karena berada pada rentang 81% - 100%.
Modification of Coal Fly Ash Waste into Manganese-Oxide-Coated-Zeolite (MOCZ) to Adsorb Heavy Metal Ions Ni2+ Saputro, Sulistyo; Mahardiani, Lina; Susilowati, Endang; Nurhayati, Nanik Dwi; Ciptonugroho, Wirawan; Windiasty, Ananda Dea; Prihantoro, Alita Selvi
Jurnal Kimia Valensi Jurnal Kimia VALENSI, Volume 10, No. 1, May 2024
Publisher : Syarif Hidayatullah State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jkv.v10i1.35794

Abstract

High consumption of coal as a source of electrical energy in Indonesia has resulted in piles of waste from coal burning, namely fly ash, which can damage the environment and harm health. Fly ash contains main oxides, namely silica (SiO2) and alumina (Al2O3), whose components are similar to zeolite, so they can be synthesized into zeolite-like material (ZLM) which can be used as an adsorbent for heavy metal Ni2+. Therefore, this research discussed the characterization of manganese-oxide-coated-zeolite (MOCZ) from fly ash waste as a heavy metal adsorbent. The research procedure consisted of preparation, purification, and activation stage of fly ash to obtain fly ash that is free from impurities, the stage of making sodium silicate and sodium aluminate, and zeolite synthesis. The resulting zeolite was then coated with manganese oxide to expand the surface area of the zeolite and increase the ability of zeolite to adsorb heavy metal Ni2+. The research results showed that fly ash waste that was coated with manganese oxide can adsorb heavy metal Ni2+. The adsorption of the Ni2+ metal ion solution by zeolite with MOCZ modification is in line with the pseudo-second-order kinetic and Langmuir isotherm.
A Systematic Review on Integrating SSI into Science Education: Its Impact on 21st Century Skills (2014-2024) Sari, Dwi Retno; Saputro, Sulistyo; Sajidan, Sajidan
Educational Studies and Research Journal Vol. 2 No. 1 (2025): Educational Studies and Research Journal
Publisher : MID Publisher International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60036/sa6n0870

Abstract

The Socio-Scientific Issues (SSI)-based learning approach has been recognized as an effective method in science education to develop students' essential skills. This study aims to explore the impact of SSI learning on six key skills: scientific literacy, critical thinking, problem-solving, social awareness and responsibility, argumentation, and collaborative and communicative skills. This research method uses the PRISMA guideline to review relevant literature. Articles were obtained from the Scopus database with the keywords "socio-scientific issues," "socioscientific issues," and "science education" which were limited to publications from 2014 to 2024. The results of the analysis of 46 articles showed that SSI-based learning can improve students' scientific literacy through the context of global issues, such as climate change and renewable energy, which provide a deeper scientific understanding. This learning also hones students' critical thinking skills by encouraging evaluation of evidence and analysis of multiple perspectives. In addition, the SSI approach encourages problem-solving skills by inviting students to find innovative solutions to environmental and health issues, as well as increasing their social awareness and responsibility. Students also develop argumentation skills through discussions and debates, as well as collaborative skills through SSI-based projects. In conclusion, SSI learning not only enriches students' scientific understanding but also prepares them with essential skills to face global challenges in the modern era.
Enhancing Critical Thinking and Learning Achievement in Chemical Bonding Through Problem-Based Chemistry Module with Concept Mapping Suprihati, Wahyurini; Saputro, Sulistyo; Sunarno, Widha
International Journal of Science and Society Vol 7 No 2 (2025): International Journal of Science and Society (IJSOC)
Publisher : GoAcademica Research & Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/ijsoc.v7i2.1411

Abstract

The development of innovative problem-based teaching materials is a strategic effort to enhance students' critical thinking skills and learning achievement, particularly in understanding abstract concepts such as chemical bonding. This study aims to describe the results of the development stage, the feasibility, and the effectiveness of a problem-based chemistry module assisted by concept mapping in improving the critical thinking skills and learning achievement of high school students on the topic of chemical bonding. The study employed a Research and Development (R&D) method using the Borg and Gall model, modified into nine stages, and was tested in two private schools in Surakarta. Validation results indicated that the module was considered highly valid by experts and practitioners, with scores of 0.95 for content, 0.98 for presentation, 0.96 for language, and 0.94 for media aspects. The feasibility of the module, based on student responses, reached an average of 82.12%, and teacher responses 85.42%, both categorized as very good. The effectiveness of the module was demonstrated by the increase in pretest and posttest results, with N-gain scores of 0.37 (moderate category) for critical thinking skills and 0.69 (moderate category) for learning achievement. Therefore, the problem-based chemistry module assisted by concept mapping is considered feasible and effective for use in teaching chemical bonding at the high school level.
Development of a Quran-Integrated Science Module to Empower the Religious Attitudes of Seventh-Grade Students in Ecology Material Akbar, Irfan; Saputro, Sulistyo; Masykuri, Mohammad
Journal of Natural Science and Integration Vol 8, No 1 (2025): Journal of Natural Science and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jnsi.v8i1.32556

Abstract

This study aims to develop a Quran-integrated science module to empower the religious attitudes of seventh-grade students in ecology material. The research employed a Design-Based Research (DBR) approach using Reeves' model, which consists of four stages: problem identification, design, iteration, and reflection. A total of 85 seventh-grade students from SMP Al Azhar Syifa Budi Solo and SMPIT Insan Mulia Surakarta were selected through random sampling and divided into control and experimental groups. Data analysis techniques included descriptive analysis for module feasibility based on expert validation, N-Gain score analysis to measure learning improvement, and an independent sample t-test to evaluate module effectiveness. The expert validation results showed a score of 88.8%, indicating the module’s high validity. Teacher and student responses toward the module were very positive, with scores of 90.35% and 94.29%, respectively. The independent sample t-test results revealed a significant difference (p < 0.05) in students' religious attitudes between the experimental and control groups, where students using the module showed higher religious attitudes. Additionally, the N-Gain analysis indicated a moderate improvement, with values of 0.37 for the experimental class and 0.32 for the control class. Based on these findings, it can be concluded that the developed Quran-integrated science module is both feasible and effective in empowering students' religious attitudes.Keywords: integrated Quran, religious attitude, science module
Enhancing pedagogical content knowledge of preservice science teacher students through the inquiry reflective teaching model Susilowati, Susilowati; Suciati, Suciati; Saputro, Sulistyo; Muzzazinah, Muzzazinah
Jurnal Cakrawala Pendidikan Vol. 44 No. 2 (2025): Cakrawala Pendidikan (June 2025)
Publisher : LPMPP Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/cp.v44i2.79010

Abstract

Reflecting the substance of the Preservice science teachers must have the ability to teach science appropriately. This ability is related to pedagogical and content knowledge. Teaching with inquiry is important in the development process of teacher professionalism. This is an urgency for preservice science teacher students to be equipped with teaching skills inquiry and the ability to reflect in learning. This research aimed to analyze the validity and practicality of the developed Inquiry Reflective Teaching (IRT) model; and to find the effectiveness of the IRT model in improving PCK. This study used the Research and Development (R&D) method. The data collection techniques used were IRT model assessment, practicality questionnaire, and Pedagogical Content Knowledge test. The data were analyzed using quantitative and qualitative analysis techniques. Quantitative data analysis techniques were used to determine the validity and practicality categories of the IRT model. Qualitative data analysis techniques were utilized to analyze data in the form of suggestions from experts, practitioner lecturers, and preservice science teacher students. The results of this study showed that the validity assessment was in a ‘very valid’ category. Likewise, the results of the assessment of the practicality of the IRT model were categorized as ‘very practical’. The IRT model can effectively improve the PCK of preservice science teachers.
Content Validity of Assessment Instrument and Storyboard Two-Tier Virtual Reality (TTVR) in Acid Base Material Astuti, Yuli; Yamtinah, Sri; Saputro, Sulistyo; Shidiq, Ari Syahidul; Sudarmin, Sudarmin; Rahayu, Sri
EduChemia: Jurnal Kimia dan Pendidikan Vol 10, No 1 (2025)
Publisher : Department of Chemistr Education Faculty of Teacher Training and Education Universitas Su

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/educhemia.v10i1.33166

Abstract

The aim of this research is to analyze the content validity of the TTVR assessment instrument for acid‒base materials based on the Aiken validity index. This ensures that the instrument can effectively measure what it intends to assess. Content validity data were obtained from seven experts, including two chemistry education lecturers from UNS and five high school teachers in Surakarta. The content validity test used a 1‒4 rating scale, with categories defined as follows: relevant with a score of 4; less relevant with a score of 3; irrelevant with a score of 2; and quite relevant with a score of 1. This scale was applied to 15 instrument questions and 16 storyboard indicators related to media and material aspects. The development results of the TTVR assessment instrument for acid‒base content achieved an Aiken index of over 0.76, indicating that the instrument is valid. This suggests that the TTVR assessment instrument and storyboard are suitable, with improvements made based on suggestions and feedback from experts.
Detection Student Misconception in Chemical Bonding using a Virtual Reality-Integrated Two-Tier Multiple-Choice Instrument with Ethnochemistry Context Pamungkas, Yoga Prasetyo; Yamtinah, Sri; Saputro, Sulistyo; Shidiq, Ari Syahidul
Jurnal Pendidikan MIPA Vol 25, No 3 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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

Abstract

Two-Tier Multiple Choice Virtual Reality (TTMCVR) with ethnochemical content is used to measure the level of misconceptions and understanding of students on chemical bond materials that have good quality and tested. This development aims to test the readability and effectiveness of TTMCVR based on the results of validity and limited trials as a reference that the developed assessment is feasible to use to identify students' misconceptions and understanding of chemical bonding materials. This research method applies Research and Development (R&D) with the ADDIE model (Analysis, design, development, implementation and evaluation). This study used 18 students and 3 teachers in 3 public high schools in Surakarta. The sampling technique used purposive sampling. Data obtained in the form of instrument results include interview tests, TTMCVR assessments and open-ended questionnaires. The results showed that TTMCVR obtained validation based on aspects of context, language, and construction on the items and storyboard from 16 experts, namely 9 chemistry education lecturers from UNS, UNY and UM and 7 high school chemistry teachers in Surakarta resulting in 15 items and 16 valid storyboard indicators with Aiken index ≥ 0.73. The limited trial stage shows that TTMCVR is able to detect the level of understanding and misconceptions of students with criteria, namely understanding the concept of 26%, misconceptions 32% and not understanding 41% on ethnochemically charged chemical bonding material on ice gempol pleret. In addition, TTMCVR is classified as having a high level of readability and effectiveness as an assessment assessment from the material and media aspects of 90% from student responses and teacher responses. Therefore, it can be concluded that based on the validity and readability of TTMCVR, it is feasible to be further developed for assessment.     Keywords: chemical bonding, ethnochemistry, misconceptions, two-tier multiple choice virtual reality.DOI: http://dx.doi.org/10.23960/jpmipa/v25i3.pp1498-1517
Co-Authors Akbar, Irfan Alfatlian, Alfatlian ALIYAH, HIMATUL Altarawneh, Mohammednoor Ambar Sulistyo Wardhani Amun Amri Antuni Wiyarsi Ari Syahidul Shidiq Arin Khoirul Hidayah, Arin Khoirul Ashadi Ashadi, Ashadi Assylzhan, Mazhibayev Atik Puji Rahayu Barista Kristyaningsih, Barista Budi Utami Budi Utomo, Suryadi Ciptonugroho, Wirawan Damayanti, Nida Desti, Icha Dwi Retno Sari, Dwi Retno Endang Susilowati Fadloli Fitri Wahyuningsih Fri Murdiya, Fri Harahap, Lenni Khotimah Haryono *, Haryono Haryono Haryono Hena Dian Ayu Hussain, Abbas Ali Iftikhar Isworini Isworini, Isworini Jane Arantika Jumbri, Khairulazhar Kamari, Azlan Kristianita Sunaringtyas, Kristianita Kus Sri Martini Lina Mahardiani M. Masykuri Maharani, Rizki Deva Mahbub Alwathoni, Mahbub Mahmud Hilmi, Mahmud MAMIEK SUBELO, MAMIEK Mawaddah Mawaddah, Mawaddah Mohammad Masykuri Mulyani, Bhakti Murwani Dewi Wijayanti, Murwani Dewi Muzzazinah Muzzazinah Nanik Dwi Nurhayati Nonoh Siti Aminah Norma Eralita Nurma Yunita Indriyanti Obianto Babys, Jekson Pamungkas, Yoga Prasetyo Prihantoro, Alita Selvi Raehanah Raehanah Rahman, M Mahbubur Rani Fathonah S, Rani Riezky Maya Probosari Sajidan Sajidan Sajidan Sarjono, Alfiyan Wahyudianto Sarwanto Sarwanto Sentot Budi Rahardjo Sentot Budi Raharjo Septianing, Pingki Wahyu Solikah, Anisa Ayu Sri Mulyani SRI RAHAYU Sri Sulystya Ningsih N.D.Tiring, Sri Sulystya Ningsih Sri Widoretno Sri Yamtinah Suciati Suciati Sudarmin Sudarmin Sukkaew, Adulsman Sunarno Sunarno Suprihati, Wahyurini Suryadi Budi Utomo Susilowati Susilowati SUTIKNO Suwahono, Suwahono Syamsudin, Frendi Ihwan Wahyu Ningtyas Wahyuni, Nita Tri Widha Sunarno Widyastuti, Fatma Windiasty, Ananda Dea Yang, Chun-Chen Yuli Astuti