HANIFAH, S. .; NENGAH PARTA, I. .; PUSPITASARI, L. . Application of Problem-based Learning Model to Improve Students’ Problem-solving Skills of Class VII-E SMP Negeri 25 Malang. KnE Social Sciences, [S. l.], v. 8, n. 10, p. 300–309, 2023. DOI: 10.18502/kss.v8i10.13455. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/13455. Acesso em: 23 may. 2025.