Nofitri, Fifi, Desyandri, Fitri Eriyanti, and Yerizon. “Improving Critical Thinking Skills of Elementary Students Through Science Learning With Interactive Teaching Materials and Problem Based Learning”. Jurnal Penelitian Pendidikan IPA 10, no. 10 (October 25, 2024): 7624–7633. Accessed April 18, 2025. https://jppipa.unram.ac.id/index.php/jppipa/article/view/7503.