Le Thi Thuy Hang, Nguyen Thi Hanh Chi and T R Preston 2009 Conserving fresh rice straw as animal feed, a strategy to avoid the pollution caused by burning.  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/thuyhang.htm