Susilawati, Susilawati, and Aris Doyan. “The Influence of Problem Based Learning (PBL) Model on Students Learning Outcome”. Jurnal Penelitian Pendidikan IPA 9, no. 2 (February 28, 2023): 1004–1008. Accessed November 22, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/4587.