Mariono, A., Bachri, B. S., Kristanto, A., Dewi, U., Sumarno, A., Kholidya, C. F. and Pradana, H. D. (2021) “Online Learning in Digital Innovations”, Journal of Education Technology, 5(4), pp. 547–555. doi: 10.23887/jet.v5i4.40115.