1. Adiguzel, F. S., & Kuran, T. (2021, April 22). The Islamic Waqf: Instrument of unequal security, worldly and otherworldly (Economic Research Initiatives at Duke (ERID) Working Paper No. 305). Available at SSRN: https://ssrn.com/abstract=3836060
2. Ahmad, J. J., Mohd, T. I., Huzaimah, I., & Mohd, S. M. (2021). Hisbah Institution and its role in environmental conservation in Islamic civilization. Jurnal Islam Dan Masyarakat KoNtemporari, 22(1), 27–35.
3. Ahmed, Habib. (2004). Role of Zakat and Awqaf in poverty alleviation. Islamic Research and Training Institute, Islamic Development Bank Group.
4. Al-Qaradawi, Y. (1994). Fiqh al-Zakat. Maktabah Wahbah.
5. Anwar, M. (1995). Financing socio-economic development with Zakat funds. Journal of Islamic Economics, 4, 15–32.