Sa’dullah, M. Havy, Mustofa Mustofa, and Andriani Samsuri. 2022. “The Resilience of Islamic Boarding Schools As National Sharia Economic Providers Before and After COVID-19”. Jurnal Ilmiah Ekonomi Islam 8 (3):3366-73. https://doi.org/10.29040/jiei.v8i3.5927.