Luu Huu Manh, Lam Kim Yen, Bach Tuan Kiet, Nguyen Nhut Xuan Dung and Tran Phung Ngoi 2008 Effect of Moringa oleifera on performance and nitrogen utilization of growing goats.  Proceedings MEKARN Regional Conference 2007: Matching Livestock Systems with Available Resources (Editors: Reg Preston and Brian Ogle), Halong Bay, Vietnam, 25-28 November 2007 http://www.mekarn.org/prohan/manh.htm