Asokawati, Sonya, Asrial Asrial, and Afreni Hamidah. “The Effect of Problem Based Learning on Student Critical Thinking Skills in Plant Reproduction System Material”. Jurnal Penelitian Pendidikan IPA 9, no. 3 (March 31, 2023): 1310–1313. Accessed November 25, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3454.