irda, irdawati. “MENINGKATKAN HASIL BELAJAR PESERTA DIDIK MELALUI MODEL PROBLEM BASED LEARNING”. Global Journal Teaching Professional 2, no. 4 (September 18, 2023): 738–748. Accessed May 9, 2026. https://jurnal.sainsglobal.com/index.php/gpp/article/view/1149.