Situmorang, Adi Suarman, Simon M. Panjaitan, and Suci Rahmadani. “ Model Pembelajaran Creative Problem Solving Terhadap Peningkatkan Pemahaman Konsep Peserta Didik Di Kelas VII SMP Swasta Gajah Mada Medan”. Innovative: Journal Of Social Science Research 3, no. 3 (August 11, 2023): 9970–9980. Accessed September 22, 2026. https://j-innovative.org/index.php/Innovative/article/view/3234.