YUNITA MAHA RANI; JAMALUDIN. 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, [S. l.], v. 4, n. 3, p. 472–479, 2026. DOI: 10.61536/escalate.v4i3.742. Disponível em: https://journal.takaza.id/index.php/escalate/article/view/742. Acesso em: 26 aug. 2026.