Siswati S, Istikomah I. The Problems of Online Learning for Islamic Education Subjects During the Covid-19 Pandemic in Vocational High Schools: Problematika Pembelajaran Daring Mata Pelajaran PAI Dimasa Pandemi Covid-19 Di Sekolah Menengah Kejuruan. acopen [Internet]. 2022 Jun. 30 [cited 2025 Sep. 4];6:10.21070/acopen.6.2022.2612. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/2612