Ipmawati, N., and T. Widiastuti. “THE EFFECTIVENESS OF ZIS FUNDS MANAGEMENT IN THE FIELD OF EDUCATION IN LAZISMU SURABAYA CITY”. Jurnal Ekonomi Syariah Teori Dan Terapan, vol. 7, no. 2, June 2020, pp. 281-93, doi:10.20473/vol7iss20202pp281-293.