Coba jelasin Catatan dari Hawalah dalam bahasa melayu dong

and U.S. Treasury Department Financial Crimes Enforcement Network (FinCEN) United States - Department of The Treasury

Ballard, Roger. A collection of academic papers exploring the operation of contemporary hawala networks, and the role they play in the transmission of migrant workers' remittances from Europe to South Asia

CBC's  "Money-transfer systems, hawala style"

Wilson, John F. et al., Informal Funds Transfer Systems: An Analysis of the Hawala System , International Monetary Fund, October, 2003

Hawala fraud on BBC News, April 2007

"The Nexus of Drug Trafficking and Hawala in Afghanistan", Dr. Edwina A. Thompson, for the World Bank and the United Nations Office on Drugs and Crime (UNODC)