Muslim, M. B., Khan, M. D. A., Saepullah, S., Hendarsa, A. S., & Afif, A. (2026). Tadrīj Method in Hajj Fund Management by Badan Pengelola Keuangan Haji (BPKH) in Indonesia: A Study of Islamic Economic Law. El-Qist: Journal of Islamic Economics and Business (JIEB), 16(1), 139–161. https://doi.org/10.15642/elqist.2026.16.1.139-161