Aji , Indra Triwarna, and Annur Indra Kusumadani. “The Influence of the Problem Based Learning Model on Learning Outcomes of the Properties of Light at SMP Negeri 1 Karanganyar”. Journal of Biology Learning 6, no. 2 (September 30, 2024): 45–51. Accessed February 22, 2025. https://journal.univetbantara.ac.id/index.php/jbl/article/view/5833.