Rafiqi, Iqbal, and Nor Lailina Ulfa. “PENGARUH FEE BASED INCOME (FBI) TERHADAP TINGKAT RETURN ON ASSET (ROA) DI PT. BANK SYARIAH MANDIRI”. Al-Ulum Jurnal Pemikiran Dan Penelitian Ke Islaman, vol. 9, no. 3, July 2022, pp. 336-48, doi:10.31102/alulum.9.3.2022.336-348.