Prakoso, Muhammad Fajar Dito, Ariel Izza Kurnia, and Ihsanul Ikhwan. 2023. “Efficiency of Indonesian Zakat Institutions in Times of Covid-19: A Two-Stage DEA Analysis”. International Journal of Zakat 8 (2):67-82. https://doi.org/10.37706/ijaz.v8i2.477.