Rusli, H. E.; Sitanggang, T. N.; Yovita, E.; Toky, F.; Harianja, H. Pengaruh Loan To Deposits Ratio (LDR), Non Performing Loan (NPL), Fee Based Income Ratio (FBIR), Dan Belanja Operasional Terhadap Pendapatan Operasional (BOPO) Terhadap Profitabilitas Perusahaan Perbankan. MSEJ 2026, 7, 903-911.