SIHOMBING, I. S. .; MARHAM SITORUS. Pengembangan e-modul kimia berbasis proyek pada materi larutan elektrolit dan non elektrolit. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 1, n. 4, p. 273–280, 2022. DOI: 10.55904/educenter.v1i4.89. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/89. Acesso em: 2 dec. 2024.