| Issue | Title | |
| Vol 1, No 2 (2015) | Validation of a Method for Determining Heavy Metals in Some Ethiopian Spices By Dry Ashing Using Atomic Absorption Spectroscopy | Abstract PDF |
| Kassa Belay, Abi Tadesse, Tesfahun Kebede | ||
| Vol 23, No 1 (2020) | Validaty of Teaching Materials Based on Problem Based Learning Using Contextual Teaching and Learning Approach to Improve Critical Thinking | Abstract PDF |
| Yosa Aulya Putri, Yohandri Yohandri | ||
| Vol 27, No 2 (2021) | Validity and Practical of Flipped-Guided Inquiry based Learning on Coloid System for 11th Grade High School Students | Abstract PDF |
| Kinten Aulia, Mawardi Mawardi | ||
| Vol 28, No 2 (2021) | Validity and Practicality of Acid-Base E-Module Based on Guided Discovery Learning for Class XI SMA | Abstract PDF |
| Nadya Afrilianti, Yerimadesi Yerimadesi | ||
| Vol 28, No 2 (2021) | Validity and Practicality of Chemical Equilibrium E-Module Based on Integrated Guided Inquiry (IGI) Learning for Senior High School Grade Eleven | Abstract PDF |
| Meliza -, Andromeda -, Yerimadesi -, Syamsi Aini | ||
| Vol 27, No 2 (2021) | Validity and Practicality of E-Module Chemical Equilibrium Based on Guided Discovery Learning for Class XI SMA/MA | Abstract PDF |
| Putty Zinda Febrila, Yerimadesi Yerimadesi | ||
| Vol 45, No 2 (2024) | Validity and Practicality of Flipped Classroom Based on Structured Inquiry Using LMS Moodle on Basic Laws of Chemistry for Phase E High School | Abstract PDF |
| Salsabilla Putri Serli, Minda Azhar | ||
| Vol 46, No 2 (2024) | Validity and Practicality of Flipped Classroom Based on Structured Inquiry Using LMS Moodle on the Material of Chemical Equilibrium for Phase F High School | Abstract PDF |
| Nabila Caiya, Minda Azhar | ||
| Vol 47, No 1 (2024) | Validity and Practicality of Flipped Classroom Learning System Based on Structure Inquiry using LMS Moodle on Chemical Bonding for Phase F High School | Abstract PDF |
| Putri Alifiya, Minda Azhar | ||
| Vol 43, No 1 (2024) | Validity and Practicality of Mole Concept LKPD Based on Structured Inquiry on Liveworksheet for Phase E of Senior High School | Abstract PDF |
| Aurellia Putri Rinovia, Minda Azhar | ||
| Vol 26, No 2 (2021) | Validity and Practicality of Problem Based Chemical Bonding Module with Cognitive Conflict Strategies | Abstract PDF |
| Asmiyunda Asmiyunda, Hardeli Hardeli, Alizar Alizar, Budhi Oktavia | ||
| Vol 26, No 1 (2021) | Validity And Practicity Of Flipped Guided Inquiry Based Learning (FGIL) Model In Chemical Kinetics For Year 1 Students | Abstract PDF |
| Vika Aumi, Mawardi Mawardi | ||
| Vol 34, No 1 (2022) | Validity and Reliability of the Chinese Bedtime Procrastination Scale Among College Students | Abstract PDF |
| Yu-Wen Fang, XinJian Cai, YuLin Gao | ||
| Vol 41, No 1 (2023) | Validity And Reliability Tests To Determine Critical Indicators For Coconut Supply Chain Sustainability | Abstract PDF |
| sanusi sanusi, Salleh Ahmad Bareduan, Larisang Larisang, Abdul Hamid | ||
| Vol 16, No 2 (2019) | Validity of a Chemistry Laboratory Manual Based on Green Chemistry Principle for High School Students Grade X in the Odd Semester | Abstract PDF |
| Lisda Amelia, Syamsi Aini, Muthia Septiayuni | ||
| Vol 7, No 1 (2018) | Validity of Biology Module Oriented Meaningfull Learning for Student Class XI | Abstract PDF |
| Deci Lisma Karnela, Azwir Anhar, Lufri . | ||
| Vol 7, No 1 (2018) | Validity of Biology Student Work Sheet Based on Problem Based Learning for Student Class XI | Abstract PDF |
| Wahyu Permata Sari, Ramadhan Sumarmin, Dwi Putri Hilda | ||
| Vol 6, No 2 (2018) | Validity Of Biology's Students' Worksheet That Equipped By Pictorial Of Concept Map For Students Of Class VIII at Junior High School | Abstract PDF |
| Ummul Aufa, Abdul Razak, Azwir Anhar, Ramadhan Sumarmin | ||
| Vol 27, No 1 (2021) | Validity of Flipped Classroom Based on Guided Inquiry in Chemical Bonding Materials Using Edmodo | Abstract PDF |
| Yola Anjelina, Mawardi Mawardi | ||
| Vol 28, No 1 (2021) | Validity of Flipped Classroom on Guided Inquiry in Acid and Base Solution | Abstract PDF |
| Zildiya Guswita, Mawardi Mawardi | ||
| Vol 15, No 2 (2019) | Validity of Guided Inquiry-Based of Student Worksheets on Plantae and Animalia Material for High School Class X Students | Abstract PDF |
| Andika Saputra, . Lufri | ||
| Vol 9, No 2 (2018) | Validity of Interactive Learning Multimedia on Biology Learning Material of Coordination System for Grade XII Senior High School Students | Abstract PDF |
| Nella Muthmaini, Azwir Anhar, Zulyusri . | ||
| Vol 6, No 2 (2018) | Validity of Learning Module Natural Sciences Oriented Constructivism With The Contain Of Character Education For Students of Class VIII AT Yunior Hight School | Abstract PDF |
| Karlini Oktarina, Lufri ., Moralita Chatri, Ramadhan Sumarmin | ||
| Vol 33, No 1 (2022) | Validity of LKS in the Form of Comics Integrated with Character Values to Improve the Science Process Skills of Class X High School Students | Abstract PDF |
| Fitria Handayani, Pakhrul Razi | ||
| Vol 8, No 2 (2018) | Validity of Microbiology Practice Guidance Based Scientific Approach for Students of STKIP South Nias | Abstract PDF |
| Yohanna Theresia Venty Fau, Lufri . | ||
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