Practicality and Effectiveness of STEM-R Electronic Modules in Improving Students’ Mastery of Material on Environmental Conservation. Sci. Educ. J. Pendidik. Sains [Internet]. 2023 Dec. 26 [cited 2026 May 28];12(2):134-4. Available from: https://journal1.uinssc.ac.id/index.php/sceducatia/article/view/20139