Implementation of Problem Based Learning Model as an Effort to Improve Student Activities and Outcomes in Temperature and Heat Materials. Integrated Science Education Journal, [S. l.], v. 4, n. 1, p. 19–22, 2023. DOI: 10.37251/isej.v4i1.292. Disponível em: https://cahaya-ic.com/index.php/ISEJ/article/view/292. Acesso em: 30 may. 2026.