HASIBUAN, S. J.; SIPAKKAR, T. R. B.; HELMIRA, T.; PARDOSI, M. F. N.; ANIM, A. Implementation of Problem Based Learning (PBL) Model to Increase Students’ Interest in Learning Spatial Building Material in Class VII of SMP Negeri 5 Kisaran. Holistic Science, [S. l.], v. 4, n. 3, p. 483–487, 2024. DOI: 10.56495/hs.v4i3.663. Disponível em: https://jurnal.larisma.or.id/index.php/HS/article/view/663. Acesso em: 8 jul. 2025.