Bui Phan Thu Hang, Vo Lam and Preston T R 2012 Effects on the performance of growing goats by supplementing ensiled water hyacinth leaves with Melia azedarach foliage.  Proceedings of the International Conference "Livestock-Based Farming Systems, Renewable  Resources and the Environment", 6-9 June 2012, Dalat, Vietnam (Editors: Reg Preston and Sisomphone Southavong) http:/www.mekarn.org/workshops/dalat2012/html/thuhangagu1.htm