HANDAYANI, Nida Dwi; DJUKRI. Development of Electronic Student Worksheet Based on Problem-Based Learning for Material on Environmental Change Geoheritage Gumuk Pasir. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 10, n. 5, p. 2438–2445, 2024. DOI: 10.29303/jppipa.v10i5.7283. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/7283. Acesso em: 22 nov. 2024.