Achmad, A. (2019) “EFEK CAPITAL ADEQUACY RATIO, NON PERFORMING FINANCING, DAN OPERATIONAL EFFECIENCY RATIO ATAS RETURN ON ASSET PADA BANK UMUM SYARIAH MILIK NEGARA”, At-Taradhi: Jurnal Studi Ekonomi, 9(2), pp. 119–126. doi: 10.18592/at-taradhi.v9i2.2514.