Supatmi, Ruri, and Malyn Malazarte. “Reducing Moral Value in Online Learning System; Literature Review”. LET: Linguistics, Literature and English Teaching Journal 13, no. 1 (June 30, 2023): 144–163. Accessed July 22, 2024. https://jurnal.uin-antasari.ac.id/index.php/let/article/view/9772.