“Analisis Efisiensi Perbankan Syariah Pada Masa Pandemi Covid-19 Menggunakan Data Envelopment Analysis (DEA)”. I-Finance: A Research Journal on Islamic Finance, vol. 7, no. 1, July 2021, pp. 11-30, https://doi.org/10.19109/ifinance.v7i1.8434.