Fatimah, Risda Amini, and Yanti Fitria. “The Heuristic Learning Model To Critical Thinking Ability In Elementary Science Study”. International Conference on Elementary Education 5, no. 1 (June 26, 2023): 211-218. Accessed April 15, 2024. http://proceedings.upi.edu/index.php/icee/article/view/3110.