A. J. M. Nasar, A. O. Hasan Saleh, F. M. F. S. Alhajri, and E. A. Taoufiq, “Methods of Financing Waqf Development in Singapore”, EJBTI, vol. 3, no. 1, pp. 25–42, Jan. 2020, doi: 10.51325/ijbeg.v3i1.28.