Bui Phan Thu Hang, Truong Thi Bich Phuong, Vo Lam and T R Preston 2009 Water hyacinth (Eichhornia crassipes): an invasive weed or a potential feed for goats? (Editors: Reg Preston and Brian Ogle) International Conference on Livestock, Climate Change and the Environment, An Giang University, Vietnam, 16-18 October 2009. httm://www.mekarn.org/workshops/environ/proenv/thuhang.htm