Nguyen Thi Kim Dong, Nguyen Van Thu and Preston T R 2006: Effect of dietary protein supply on the reproductive performance of crossbred rabbits.Workshop-seminar "Forages for Pigs and Rabbits" MEKARN-CelAgrid, Phnom Penh, Cambodia, 22-24 August,  2006. Article # 21. Retrieved, from http://www.mekarn.org/proprf/kimd1.htm