Siti Hardiyanti Marpaung, Erlina and Chandra Situmeang 2025. THE INFLUENCE OF CAPITAL ADEQUACY RATIO, NON-PERFORMING FINANCING, FINANCING TO DEPOSIT RATIO AND OPERATING EXPENSES TO OPERATING INCOME ON PROFITABILITY OF ISLAMIC BANKING IN INDONESIA. International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS). 5, 1 (Feb. 2025), 34–44. DOI:https://doi.org/10.54443/ijebas.v5i1.2364.