Darni, Mustapa K. Comparison of Chemistry Learning Outcomes between Problem Based Learning and Discovery Learning Models on Buffer Solution Material at SMA Negeri 7 Tawaeli. ME [Internet]. 2025 May 23 [cited 2025 Oct. 19];20(2):85-90. Available from: https://www.jurnalfkipuntad.com/index.php/jme/article/view/2557