Safitri, Riska, Sukamto Sukamto, Ervina Eka Subekti, and Ulin Nafiah. “Analisis Penerapan Model Problem Based Learning Pada Pembelajaran IPAS Kelas IV Di SD Supriyadi Semarang ”. Innovative: Journal Of Social Science Research 3, no. 2 (April 29, 2023): 297–308. Accessed May 1, 2026. https://j-innovative.org/index.php/Innovative/article/view/311.