Jiffry, A. C. “The Socio-Economic Contribution of Muʾlft Qulub and Fi Sabilillah Zakat: Contemporary Applications in Sri Lanka”. International Journal of Islamic Economics and Finance (IJIEF), vol. 7, no. 2, Aug. 2024, pp. 160-79, doi:10.18196/ijief.v7i2.17966.