Tamrin, M., P. Enita, M. A. F. Marpaung, and R. Harahap. “Problematics Evaluation of Islamic Education Learning During Covid-19 Pandemic in MTs. Usman Syarif Medan”. Fitrah: Journal of Islamic Education, vol. 1, no. 2, Jan. 2021, pp. 193-0, https://jurnal.staisumatera-medan.ac.id/index.php/fitrah/article/view/22.