Siswati S, Istikomah I. The Problems of Online Learning for Islamic Education Subjects During the Covid-19 Pandemic in Vocational High Schools. acopen [Internet]. 2022Jun.30 [cited 2024May5];60:10.21070/acopen.6.2022.2612. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/2612