Beik, Irfan, Mohamad Soleh Nurzaman, Muhammad Hasbi Zaenal, Ridho Gusti Hendarto, Ninik Annisa, Khairunnajah ., Noviyanti ., & Muhammad Choirin.
" National Zakat Index: Framework and Methodology." <em>Working Papers - Puskas Baznas</em> [Online], 1 (2017): n. pag. Web. 16 Nov. 2025