Diah Ayu Dwi Nurmavita, Ayyu Astri Wiguna, Muhammad Saddam Ihza Husain, Alfiana. Pengaruh Biaya Operasional Terhadap Pendapatan Operasional (BOPO) Dan Net Interest Margin (NIM) Terhadap Return On Asset (ROA). Jejak digital [Internet]. 2025 Dec. 30 [cited 2026 Jan. 17];2(1):1179-80. Available from: https://indojurnal.com/index.php/jejakdigital/article/view/1834