Yuliana, Saadah, et al. “Comparative Analysis of Profit Sharing Financing Between Islamic Banks (BUS) and Rakyat Sharia Financing Bank (BPRS) in Indonesia”. International Journal of Economics and Financial Issues, vol. 7, no. 2, Apr. 2017, pp. 266-70, https://econjournals.com/index.php/ijefi/article/view/4137.