Masdinar, Masdinar, Ahmad Riadi, and Erliani Erliani. “Penerapan Model Problem Based Learning Untuk Meningkatkan Pemahaman Konsep IPA Di SMP 7 Tandun”. EduSpirit : Jurnal Pendidikan Kolaboratif 1, no. 4 (November 20, 2024): 142–144. Accessed July 9, 2025. https://journal.makwafoundation.org/index.php/eduspirit/article/view/1061.