Nguyen Kien Cuong, Duong Nguyen Khang and T R Preston 2008 Digestibility and growth in rabbits fed a basal diet of sweet potato vines replaced with cassava foliage meal. Proceedings MEKARN Rabbit Conference: Organic rabbit production from forages (Editors: Reg Preston and Nguyen Van Thu), Cantho University, Vietnam, 25-27 November 2008 http://www.mekarn.org/prorab/cuong.htm