Lasrida Lumban Batu, Lisbet N. Sihombing, and Eva Pasaribu. “Pengaruh Model Pembelajaran Problem Based Learning Terhadap Hasil Belajar Siswa Pada Tema 1 Subtema 1 Di Kelas III SD Negeri Percontohan 091317 Pematang Raya”. Multiverse: Open Multidisciplinary Journal 1, no. 1 (April 30, 2022): 30–32. Accessed March 11, 2026. https://jurnal.medanresourcecenter.org/index.php/MULTIVERSE/article/view/622.