Dzatilah, R., R. . Kusumaningrum, and M. Anwar. “THE EFFECT OF OPERATING EXPENSES TO OPERATING INCOME (BOPO) ON RETURN ON ASSETS (ROA) AT KSPPS BAYTUL IKHTIAR”. SAHID BANKING JOURNAL, vol. 4, no. 2, May 2025, pp. 10-23, doi:10.56406/sahidbankingjournal.v4i2.251.