MAHULAE, P. S. Implementation of problem based learning model to improve students’ understanding of reforestation and disaster mitigation. Cendikia : Media Jurnal Ilmiah Pendidikan, [S. l.], v. 14, n. 4, p. 406-411, 2024. DOI: 10.35335/cendikia.v14i4.4917. Disponível em: https://iocscience.org/ejournal/index.php/Cendikia/article/view/4917. Acesso em: 25 mar. 2026.