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. 271–280, 2022. DOI: 10.55904/educenter.v1i4.89. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/89. Acesso em: 4 jul. 2024.