Ash Shiddieqy, H. 2024. The Effect of ZIS (Zakat, Infaq, and Shodaqoh) on Profits at BPRS Amanah Ummah 2015 - 2021. Indonesian Conference of Zakat - Proceedings. (May 2024), 316–323. DOI:https://doi.org/10.37706/iconz.2023.528.