Vu Thi Thu Hang, Nguyen Kha Tu and Chu Duc Tuy 2012 The effect of Eupatorium odoratum foliage compared with cassava foliage on growth and intestinal nematode infestation in goats. 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/hang24136.htm