Nashruddin, Nashruddin, Fiptar Alam, and Novalia Tanasy. “Perceptions of Teacher and Students on the Use of E-Mail As A Medium in Distance Learning”. Berumpun: International Journal of Social, Politics, and Humanities 3, no. 2 (October 5, 2020): 182-194. Accessed March 28, 2024. https://berumpun.ubb.ac.id/index.php/BRP/article/view/40.