HUTAGAOL, Jeklin; WICAKSANA, Ervan Johan; SIBURIAN, Jodion. Development of electronic handouts for class X high school ecosystem materials for online learning. Jurnal Inovasi Pendidikan IPA, [S. l.], v. 8, n. 2, p. 121–130, 2022. DOI: 10.21831/jipi.v8i2.46536. Disponível em: https://journal.uny.ac.id/index.php/jipi/article/view/46536. Acesso em: 22 may. 2025.