PENGARUH CAPITAL ADEQUACY RATIO (CAR), NON PERFORMING LOAN (NPL), BIAYA OPERASIONAL PADA PENDAPATAN OPERASIONAL (BOPO), LOAN TO DEPOSIT RATIO (LDR) TERHADAP RETURN ON ASSET (ROA) Pada Bank BUMN Periode 2013 - 2017: PENGARUH CAPITAL ADEQUACY RATIO (CAR), NON PERFORMING LOAN (NPL), BIAYA OPERASIONAL PADA PENDAPATAN OPERASIONAL (BOPO), LOAN TO DEPOSIT RATIO (LDR) TERHADAP RETURN ON ASSET (ROA) Pada Bank BUMN Periode 2013 - 2017. (2017). Jurnal Proaksi, 4(2), 107-114. https://doi.org/10.32534/jpk.v4i2.808