Md Ali @ Tahir, A. Z., M. Haron, and R. Mokhtar. “PERBEZAAN PANDANGAN TERHADAP PENGGUNAAN MATAWANG FIAT DALAM ISLAM: SATU ANALISIS KRITIKAL: Different Opinions from Islamic Perspectives Towards the Use of Fiat Money: A Critical Analysis”. Journal of Muwafaqat, vol. 1, no. 2, Dec. 2018, pp. 135-56, https://muwafaqat.uis.edu.my/index.php/journal/article/view/61.