Laelandi, Rahayu, Ari Widodo, and Siti Sriyati. “Depth of Science Learning Materials in Schools and Student Concept Mastery”. Jurnal Penelitian Pendidikan IPA 8, no. 3 (July 31, 2022): 1470–1478. Accessed November 25, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/1706.