Syarif M, Moenada MS. Boarding School (Pesantren) Education During Covid-19 Pandemic at Dar El Hikmah Pekanbaru Indonesia. Khalifa: J. Islamic Education [Internet]. 2020Aug.23 [cited 2024Nov.21];4(2):161-74. Available from: https://kjie.ppj.unp.ac.id/index.php/kjie/article/view/54