NAWAWI, Sulton. Developing of module challenge based learning in environmental material to empower the critical thinking ability. Jurnal Inovasi Pendidikan IPA, [S. l.], v. 3, n. 2, p. 212–223, 2017. DOI: 10.21831/jipi.v3i2.15988. Disponível em: https://journal.uny.ac.id/index.php/jipi/article/view/15988. Acesso em: 17 may. 2025.