Johari, F., A. F. Mohd Ali, and M. R. Ab. Aziz. “The Role of Zakat and Success Factor for Muallaf Conditions: An Analysis in Selangor, Malaysia”. Ulum Islamiyyah, Vol. 24, Oct. 2018, pp. Pp. 11-23, doi:10.33102/ulum.2018.24.02.