Beik, I., Nurzaman, M., Zaenal, M., Gusti Hendarto, R., Annisa, N., ., K., ., N., & Choirin, M. (2017). National Zakat Index: Framework and Methodology. Working Papers - Puskas Baznas, 1. Retrieved from http://www.iconzbaznas.com/publications/index.php/pwps/article/view/15