Malik, Riduan. “Pengaruh Biaya Operasional Dan Pendapatan Operasional (BOPO) Dan Non Performing Financing (NPF) Terhadap Return On Asset (ROA) Di Bank Umum Syariah Indonesia Tahun 2015 - 2019”. JYRS: Journal of Youth Research and Studies 2, no. 1 (November 9, 2021): 21-41. Accessed May 5, 2025. http://lp2msasbabel.ac.id/jurnal/index.php/JS/article/view/2037.