Du Thanh Hang and  Preston T R 2008 ITaro (Colocacia esculenta) leaves as a protein source for growing pigs in Central Viet Nam 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/hang_hue.htm