Wahid, H., M. A. Mohd Noor, and S. Ahmad. “Kesedaran Membayar Zakat: Apakah Faktor Penentunya?”. International Journal of Management Studies, vol. 12, no. 2, Dec. 2005, pp. 171-89, https://e-journal.uum.edu.my/index.php/ijms/article/view/9219.