“Measure and Evaluate the Return and Risk Formulas of Islamic Finance: Empirical Study of the State of Jordan Islamic Bank and Islamic Arab International Bank”. Journal of Economics and Administrative Sciences 19, no. 70 (March 1, 2013): 78. Accessed May 21, 2024. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/799.