Manurung, Latiur, Rio Parsaoran Napitupulu, and Radode K. Simarmata. 2023. “Pengaruh Model Pembelajaran Problem Based Learning (PBL) Terhadap Hasil Belajar Siswa Pada Subtema 1 Kelas V Di UPTD SDN 122337 Jl.H.Adam Malik”. Innovative: Journal Of Social Science Research 3 (2):4117-31. http://j-innovative.org/index.php/Innovative/article/view/809.