Hikmah, Irma Faikhotul, and Atina Shofawati. 2020. “THE EFFICIENCY ANALYSIS OF 7 NATIONAL ZAKAT MANAGEMENT ORGANIZATIONS (OPZ) USING DATA ENVELOPMENT ANALYSIS (DEA)”. Jurnal Ekonomi Syariah Teori Dan Terapan 7 (6):1178-92. https://doi.org/10.20473/vol7iss20206pp1178-1192.