ANGGRAENI, Nia; RAHARDJO, Sentot Budi; HARLITA, Harlita. The Validity of Problem Based Learning (PBL)-Based Global Warming E-Module. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 8, n. 5, p. 2335–2340, 2022. DOI: 10.29303/jppipa.v8i5.1934. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1934. Acesso em: 22 nov. 2024.