Yasni, Yuli, Asrizal Asrizal, Harman Amir, and Riri Jonuarti. “Validity of Heat Teaching Material Integrated Joyful Learning to Promote Student’s Creative Thinking Skills”. Journal of Innovative Physics Teaching 3, no. 2 (December 17, 2025): 174–185. Accessed March 14, 2026. https://jipt.ppj.unp.ac.id/index.php/jipt/article/view/110.