Ashyari, Muhammad Zaki, and Rofikoh Rokhim. “Revenue Diversification and Bank Profitability: Study on Indonesian Banks”. Jurnal Siasat Bisnis 24, no. 1 (March 5, 2020): 34–42. Accessed May 16, 2025. https://journal.uii.ac.id/JSB/article/view/11377.