ADNAN, Muhammad. Improving Student Learning Outcomes Through the Application of Problem Based Learning Models on the Material of Caring for Orphans at SD Negeri 26 Leupung. Jurnal Profesi Guru Indonesia, [S. l.], v. 1, n. 4, p. 232–244, 2024. DOI: 10.62945/jpgi.v1i4.644. Disponível em: https://journal.mgedukasia.or.id/index.php/jpgi/article/view/644. Acesso em: 27 jun. 2025.