Vo Thi Kim Thanh 2005: A study of nutrient balance in selected urban and peri-urban communes in Hue City with high densities of livestock;  Workshop-seminar "Making better  use of local feed resources" (Editors: Reg Preston and Brian Ogle) MEKARN-CTU, Cantho, 23-25 May, 2005. Article #24. Retrieved, from http://www.mekarn.org/proctu/thanh-hue24.htm