Ikhsana, Nadya Ramadhani, Noer Azam Achsani, and Mohammad Iqbal Irfany. “Internal and External Factors Affecting Banking Profitability: Evidence from Dual Banking System in Indonesia”. Islamic Economics Methodology 4, no. 1 (June 30, 2025). Accessed October 9, 2025. http://journals.smartinsight.id/index.php/IEM/article/view/612.