| Development of Acid–Base Indicators from Natural Pigments in Agar Gel R Im, T Iwayama, M Osa Journal of Chemical Education 100 (12), 4707-4713, 2023 | 4 | 2023 |
| Examining Cambodian high school science teachers’ perception of Technological Pedagogical Content Knowledge (TPACK) S Thy, R Im, T Iwayama Journal of Science and Education (JSE) 4 (1), 1-13, 2023 | 4 | 2023 |
| Assessing the Science Process Skills of Chemistry High School Teachers: A Case Study in Cambodia R Im, T Iwayama, M Osa Universal Journal of Educational Research 3 (3), 235-244, 2024 | | 2024 |
| Utilizing Reactant-Infused Agar Gel to Model the Effect of Solid Reactant Particle Size on Reaction Rate R Im, T Iwayama, M Osa Journal of Chemical Education 101 (9), 3944-3948, 2024 | | 2024 |
| Cambodian STEM pre-service teachers’ competency in effective information communication technology integration teaching based on technological pedagogical content knowledge … R Im, S Thy, T Iwayama, M Osa Journal of Science and Education (JSE) 4 (2), 97-108, 2024 | | 2024 |
| K12-5 Development and Science Education VII: The Effectiveness of Problem-Solving Approach in Chemistry on Science Process Skills of Upper Secondary School Students in Cambodia R IM, K SHIMIZU 日本理科教育学会全国大会要項, 139, 2015 | | 2015 |
