Purwanti, Erda, and Heldalia Heldalia. “Critical Thinking Ability: Analysis of Flat Mirror Reflection Material”. Schrödinger: Journal of Physics Education 4, no. 1 (March 31, 2023): 12-17. Accessed April 3, 2025. https://cahaya-ic.com/index.php/SJPE/article/view/493.