ZULFATUNISA, Z.; SIRAIT, S.; MANURUNG, R. F. Implementation of Problem Based Learning (PBL) Learning Model to Improve Learning Outcomes of Class VII Students of SMP Negeri 7 Kisaran. Holistic Science, [S. l.], v. 4, n. 3, p. 380–383, 2024. DOI: 10.56495/hs.v4i3.730. Disponível em: https://jurnal.larisma.or.id/index.php/HS/article/view/730. Acesso em: 8 jul. 2025.