Warsito MB, Haryono H, Wibawanto H. E-Learning Development Based on Schoology for Subject of Information and Communication Technology Grade VII using Flipped-Learning Approach. IJCET [Internet]. 3May2019 [cited 22Nov.2024];8(1):1-0. Available from: https://journal.unnes.ac.id/sju/ujet/article/view/30113