Al-Ghananim, G., E. Al-zayadat, and M. Al-Amoush. “Zakat of Joint Speculative Funds in Islamic Financial Institutions”. Jordan Journal of Islamic Studies, vol. 17, no. 1, Mar. 2021, pp. 115-42, https://jjis.aabu.edu.jo/index.php/jjis/article/view/102.