Karisma, Dwi Pratika, et al. “Macro Variable Effect Analysis and NonPerforming Financing (NPF) Against the Return on Asset (ROA) Islamic Banks in Indonesia Year 2008- 2017”. Journal of Islamic Economic Laws, vol. 3, no. 1, Jan. 2020, pp. 32-47, doi:10.23917/jisel.v3i1.10170.