E. RAHMI, “EFFECTIVENESS OF PROBLEM BASED LEARNING TOWARDS PROBLEM SKILLS OF CLASS X STUDENTS AT SMAN 3 MAROS”, j.n.a.pendidik., vol. 3, no. 2, pp. 92–102, Dec. 2018, Accessed: Feb. 23, 2026. [Online]. Available: https://ejournal.ummuba.ac.id/index.php/mp/article/view/76