Nguyen Thi Kim Dong and Nguyen Van Thu 2012 Effect of mixed or separate feedings and ration of Centrocema pubescens and Para grass on feed utilization, nutrient digestibility and growth performance of crossbred rabbits. . 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/kimdongctu3.htm