Nurliana. “The Implementation of Problem-Based Learning (PBL) Model to Enhance Understanding and Critical Thinking of Students on the Topic of Asmaul Husna Al Ar Razaq in Grade 3 at SDN 087981 Sibolga”. Jurnal Profesionalisme Guru 1, no. 2 (March 15, 2025): 300–305. Accessed September 28, 2025. https://journal.maalahliyah.sch.id/index.php/jpg/article/view/209.