Hasanah U, Hadi FN, Fajriansyah I. Digital-Based Learning During the Covid-19 Pandemic at Indonesian Islamic State University. Khalifa: J. Islamic Education [Internet]. 2021Aug.24 [cited 2024Nov.21];5(2):222-39. Available from: https://kjie.ppj.unp.ac.id/index.php/kjie/article/view/13