Pohan, Albert Efendi, Alwan Hadiyanto, and Dhenny Asmarazisa Azis. “Virtualization of Teacher Training on Improving of Online Teaching Competence for the Students of Riau Island University in Indonesia”. London Journal of Social Sciences, no. 2 (September 25, 2021): 10–22. Accessed February 25, 2024. https://londonic.uk/js/index.php/ljbeh/article/view/51.