Ryandono, Muhamad Nafik Hadi, A Syifaul Qulub, Eko Fajar Cahyono, Tika Widiastuti, Elsi Mersilia Hanesti, Ninda Ardiani, and Taqiyah Dinda Insani. 2021. “Analysis of Efficiency for Zakat Management Organization in Indonesia: A Comparison Study of Super Efficiency and Free Disposal Hull”. Hayula: Indonesian Journal of Multidisciplinary Islamic Studies 5 (2):147-66. https://doi.org/10.21009/005.02.01.