Sutrisno, S. “Analysis of the Strategy for Collecting Zakat, Infaq and Sadaqah (ZIS) Funds at the LAZISMU UMY Zakat Institution in Yogyakarta”. El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam, vol. 6, no. 2, Feb. 2025, pp. 873 -, doi:10.47467/elmal.v6i2.7167.