Aji IT, Kusumadani AI. The Influence of the Problem Based Learning Model on Learning Outcomes of the Properties of Light at SMP Negeri 1 Karanganyar. J. Biol. Learn. [Internet]. 2024 Sep. 30 [cited 2025 Feb. 22];6(2):45-51. Available from: https://journal.univetbantara.ac.id/index.php/jbl/article/view/5833