RITONGA, Hasna Dewi; SIMANGUNSONG, Nurzakiah; SARI, Novita. Pengaruh Model Problem Based Learning (PBL) untuk Meningkatkan Motivasi Belajar Siswa Kelas IV di SD Negeri 200106 Padangsidimpuan Utara. NABAWI: Jurnal Penelitian Pendidikan Islam, [S. l.], v. 1, n. 1, p. 65–75, 2023. Disponível em: https://ejournal.stitsyambtg.ac.id/index.php/nabawi/article/view/53. Acesso em: 3 may. 2026.