RETNO NUR ALFANTI; ERNA HERLINAWATI; WIJAYA, F. Pengaruh Non Performing Loan (NPL), Biaya Operasional Pendapatan Operasional (BOPO), Net Interest Margin (NIM), Debt to Equity Ratio (DER) terhadap Return On Asset (ROA) pada Bank KB Bukopin periode 2012-2022. JEMSI (Jurnal Ekonomi, Manajemen, dan Akuntansi), v. 10, n. 1, p. 445–453, 1 Feb.2024.