ARHAM, Dahnial; HASIBUAN, Halimah; HARAHAP, Erwin. Application of Problem Based Learning Model to Improve Student Learning Outcomes at SD Negeri 0309 Pagaranbira. Indonesian Journal of Education and Social Humanities, [S. l.], v. 1, n. 3, p. 99–106, 2024. DOI: 10.62945/ijesh.v1i3.394. Disponível em: https://journal.mgedukasia.or.id/index.php/ijesh/article/view/394. Acesso em: 23 oct. 2025.