Sinukaban, V. Y., Vetrycia, D. L. G., Jalinus, N. and Efendi, H. (2022) “Effectiveness of Digital Systems and Learning Models in Online Learning for Students from Underprivileged Families”, Edumaspul: Jurnal Pendidikan, 6(2), pp. 3058-3065. doi: 10.33487/edumaspul.v6i2.5246.