Ernica, S. Y., & Hardeli, H. (2019). VALIDITAS DAN PRAKTIKALITAS E-MODUL SISTEM KOLOID BERBASIS PENDEKATAN SAINTIFIK. Ranah Research : Journal of Multidisciplinary Research and Development, 1(4), 812-820. Retrieved from https://jurnal.ranahresearch.com/index.php/R2J/article/view/134