Harahap SM, Napitupulu E, Mursid R. Differentiated E-Module Based on Problem-Based Learning: Natural Science Subject . Rand. Inter. Edu. Ling. Sci. J. [Internet]. 2024Dec.26 [cited 2026Jul.28];5(4):1284-301. Available from: https://randwickresearch.com/index.php/rielsj/article/view/1090