Surasni S, Sumali A. Optimizing Online Learning with the Google Classroom Application Approach during the Covid-19 Pandemic at SMP Negeri 16 Jakarta. IJEER [Internet]. 2022 Nov. 26 [cited 2026 Jan. 14];3(2). Available from: https://openjournal.unpam.ac.id/index.php/IJEER/article/view/25810