Oktavia, A. B. R., Wiryanto, W., & Wulandari, N. (2023). Peningkatan Hasil Belajar Peserta Didik Melalui Model Problem Based Learning Pada Mata Pelajaran Matematika Kelas IV SDN Pacarkeling V/186 Surabaya. Innovative: Journal Of Social Science Research, 3(2), 6412–6423. Retrieved from http://j-innovative.org/index.php/Innovative/article/view/1069