Asmara, Kiki. “Analisis Faktor Internal Dan Eksternal Terhadap Non Performance Financing (NPF) Perbankan Syariah Di Indonesia Periode Tahun 2015 - 2018”. OECONOMICUS Journal of Economics 4, no. 1 (December 26, 2019): 21–34. Accessed April 19, 2024. https://jurnalfebi.uinsby.ac.id/index.php/oje/article/view/254.