د. متناوي امحمد, and ط.د. حبار عماد الدين. 2024. “He Impact of Islamic Financing Formulas Based on Margin on the Financial Profitability of the Economic Institutions - An Empirical Study of a Sample of Economic Institutions Listed in the Saudi Financial Market During the Period 2012-2020”. Journal of North African Economies 19 (31):171-88. https://www.ajol.info/index.php/jnae/article/view/265016.