Tam N H, Hang B P T, Lam V and Preston T R 2013: Growth performance of rabbits fed components of paddy rice as supplements to Operculina turpethum foliage or Operculina turpethum mixed with water spinach. Livestock Research for Rural Development. Volume 25, Article #49. Retrieved , from http://www.lrrd.org/lrrd25/3/tam25049.htm