Hakim, Budi Rahman, et al. “Sufi Orders, Zakat-Infaq-Sadaqah (ZIS), and the Muslim Community’s Economy: A Study on the Integration of Spirituality and Social Justice”. International Journal of Zakat, vol. 11, no. 1, Mar. 2026, pp. 109-23, doi:10.37706/ijaz.v11i1.834.