HERLY JANET LESILOLO. Development of Teaching Materials Based on Problem-Based Learning . Jurnal Penelitian Pendidikan IPA, [S. l.], v. 9, n. 6, p. 4320–4325, 2023. DOI: 10.29303/jppipa.v9i6.3842. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3842. Acesso em: 23 jul. 2024.