Safitri, Rani, Sulastri, and Isni Andriana. “The Influence of Operational Costs on Operating Income and Interest Rates on Non-Performing Loans in Banking Companies Listed on Thei Indonesian Stock Exchange”. Ilomata International Journal of Tax and Accounting 4, no. 4 (October 26, 2023): 771-781. Accessed August 22, 2024. https://ilomata.org/index.php/ijtc/article/view/909.