Nurdiansah, Ardi, Cika Brada, Muhammad Firgi, Siti Halimatussyadiah Salim, and Eneng Nuraeni. 2021. “Optimalisasi Sistem Pembelajaran Di Masa Pandemi Covid-19”. PROCEEDINGS UIN SUNAN GUNUNG DJATI BANDUNG 1 (6):172-79. https://proceedings.uinsgd.ac.id/index.php/proceedings/article/view/670.