Bui Huu Doan 2009 Current situation of industrial chicken manure use in the red river delta and initial results of composting treatment. Proceedings MEKARN Workshop on  Livestock, Climate Change and the Environment (Editors: Reg Preston and Vo Lam ), An Giang University, Vietnam, 16-18 November 2009 http://www.mekarn.org/workshops/environ/Abstracts/doan_hua.htm