I. Santoso, P. S. Samosir, and B. Suparningsih, “Effect of Capital Adequacy Ratio (CAR), Operational Costs (BOPO) on Return on Asset (ROA) Through Operational Income and Loan Deposit Ratio (LDR) in Bank Market City Bogor, Indonesia”, theijbm, vol. 6, no. 3, Mar. 2018.