Shahruddin, Mohd Solahuddin, Ahmad Zuhdi Ismail, Syaimaa’ Asbullah, and Abdul Hadi Nawawi. “Strengthening Al-Khums (Islamic Tax) towards National Economic Sustainability”. Asian Journal of Environment-Behaviour Studies 8, no. 25 (June 17, 2023). Accessed December 6, 2023. https://aje-bs.e-iph.co.uk/index.php/ajE-Bs/article/view/428.