Shamdas, Gamar. “The Relationship Between Academic Self-Efficacy and Cognitive Learning Outcomes of High School Students in Biology Subjects through Problem-Based Learning Model ”. Jurnal Penelitian Pendidikan IPA 9, no. 7 (July 25, 2023): 5466–5473. Accessed July 22, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3018.