د. متناوي امحمد, ط.د. حبار عماد الدين. 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. JNAE [Internet]. 2024 Feb. 19 [cited 2026 Oct. 18];19(31):171-88. Available from: https://www.ajol.info/index.php/jnae/article/view/265016