Wan Mohd Firdaus Wan Mohamad, Siti Maziah Ab Rahman, and Rikinorhakis Ridzwan. 2024. “A CONCEPTUAL PAPER ON NAZAFAH RUHIYYAH AND ITS EFFECT ON PURIFYING WEALTH THROUGH ZAKAH”. Journal of Islamic, Social, Economics and Development 9 (62). https://academicinspired.com/jised/article/view/1985.