Kim Dong N T, Thu N V, Ogle B and Preston T R 2008: Effect of supplementation level of water spinach (Ipomoea aquatica) leaves in diets based on para grass (Brachiaria mutica) on intake, nutrient utilization, growth rate and economic returns of crossbred rabbits in the Mekong Delta of Vietnam. Volume 20, Article #144. Retrieved , from http://www.lrrd.org/lrrd20/9/kdon20144.htm