Yunita Maha Rani, and Jamaludin. 2026. “The Effect of Non-Performing Loans (NPL), Operational Efficiency (BOPO), and CET1 Ratio on Financial Performance (Case Study of PT Bank Mandiri Tbk for the 2016-2025 Period)”. Escalate : Economics and Business Journal 4 (3):472-79. https://doi.org/10.61536/escalate.v4i3.742.