1.
Sipayung R, Sihotang DO, Lumban Batu JS. PERSEPSI GURU TERHADAP EFEKTIVITAS PEMBELAJARAN ONLINE DI MASA PANDEMI COVID-19. AQUINAS [Internet]. 2021 Jul. 7 [cited 2026 Sep. 13];4(2):311-2. Available from: https://ejournal.ust.ac.id/Aquinas/article/view/1307