KHOIROTUL MAGHFIROH, 12401173166 (2021) PENGARUH BIAYA OPERASIONAL DAN PENDAPATAN OPERASIONAL (BOPO), NON PERFORMING LOAN (NPL) DAN CAPITAL ADEQUACY RATIO (CAR) TERHADAP RETURN ON ASSETS (ROA) PADA BRI SYARIAH. [ Skripsi ]