Nurwahidah, Suranti NMY, Alimuddin N, Ibrahim. Development of Innovative Teaching Materials with QR Code Assistance for Basic Science Concepts to Enhance Critical Thinking Skills . jcar [Internet]. 2024 Nov. 29 [cited 2025 Jul. 25];6(4):907-15. Available from: https://jppipa.unram.ac.id/index.php/jcar/article/view/9618