http://repository.uhamka.ac.id/id/eprint/15303/
Pengaruh Inflasi, NPF, DAN BOPO Terhadap Profitabilitas Bank Umum Syariah
Astuti, Indah Fuji
http://repository.uhamka.ac.id/id/eprint/15303/1/Fai_Perbankan%20Syariah_%201207025060_%20Indah%20Fuji%20Astuti.pdf