SAMOSIR, F. N.; WAHYUNI, S.; HARAHAP, L. S. Improving Student Learning Outcomes Using the Problem Based Learning (PBL) Learning Model on Animal and Plant Material in Class IV SDN 067240 Medan Tembung. Jurnal Riset Ilmu Pendidikan, [S. l.], v. 5, n. 2, p. 397–401, 2025. DOI: 10.56495/jrip.v5i2.1055. Disponível em: https://jurnal.larisma.or.id/index.php/JRIP/article/view/1055. Acesso em: 24 aug. 2025.