Sagala, Gaffar Hafiz, Ali Fikri Hasibuan, and Tuti Sriwedari. 2022. “Readiness, Acceptance, and Social Presence in Full Online Learning”. Jurnal Kependidikan: Penelitian Inovasi Pembelajaran 6 (1). Yogyakarta, Indonesia:68-79. https://doi.org/10.21831/jk.v6i1.44970.