1. A comparative study of zakah and modern taxation;Journal of King Abdulaziz University, Islamic Economics,2007
2. Motivations of paying zakat: evidence from Malaysia;International Journal of Economics and Finance,2010
3. The advent and growth of Islam in the Philippines, Islam in southeast Asia,2005
4. Zakah, macroeconomic policies and poverty alleviation: Lessons from simulations on Bangladesh;Journal of Islamic Economics, Banking and Finance,2008