Putri, Andi Mega Januarti. “Optimization of Online Learning Method Application through Google Classroom in English Education Department of Sulawesi Barat University”. Eduvelop: Journal of English Education and Development 4, no. 1 (October 12, 2020): 1-8. Accessed April 20, 2024. https://ojs.unsulbar.ac.id/index.php/eduvelop/article/view/754.