Prandika, D. D. ., and M. Amrullah. “The Effect of the Covid 19 Pandemic on the Online Learning Process: Pengaruh Pandemi Covid 19 Terhadap Proses Pembelajaran Daring (Online)”. Proceedings of The ICECRS, vol. 10, Aug. 2021, pp. 63-71, doi:10.21070/icecrs20211058.