Kong Saroeun, Seng Sokerya, Pok Samkol, Chhay Ty, Seng Theara, Sok Sunnara, Huy Sokchea, Meas Soveasna and Khieu Borin 2008 Assessment of pig production, feed and feeding practices in three main agro-ecological zones of Cambodial.  Proceedings MEKARN Regional Conference 2007: Matching Livestock Systems with Available Resources (Editors: Reg Preston and Brian Ogle), Halong Bay, Vietnam, 25-28 November 2007 http://www.mekarn.org/prohan/saroeun.htm