ramdhani, kurniawan. “Optimization of Sharia Auidit of Islamic Financial Institutions on Employee Performance at Bank Syariah Mandiri Bondowoso”. Mabsya: Jurnal Manajemen Bisnis Syariah, vol. 2, no. 2, Nov. 2020, pp. 77-96, doi:10.24090/mabsya.v2i2.3979.