Bui Xuan Men, Ogle B and  Preston T R  2009 Integrated fish, ducks and rice system to reduce pollution and improve resource utilization; Proceedings MEKARN Workshop on  Livestock, Climate Change and the Environment (Editors: Reg Preston and Vo Lam ), An Giang University, Vietnam, 16-18 November 2009. http://www.mekarn.org/workshops/environ/Abstracts/bxmen.htm