Permatasari P, Hardeli H, Alora BS, Mulyani S. Validity of Discovery Learning-Based E-module with Video Demonstration on Reaction Rate Material for High School Student. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Jul. 31 [cited 2024 Nov. 25];8(3):1258-66. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1628