Faculty of Tropical Medicine Mahidol University. 2006. GIS disease surveillance system in the Mekong region. Bangkok:G.S.M.Trading;
Faculty of Tropical Medicine Mahidol University. (2006) GIS disease surveillance system in the Mekong region. G.S.M.Trading:Bangkok.
Faculty of Tropical Medicine Mahidol University. GIS disease surveillance system in the Mekong region. Bangkok:G.S.M.Trading, 2006. Print.
Faculty of Tropical Medicine Mahidol University. (2006) GIS disease surveillance system in the Mekong region. G.S.M.Trading:Bangkok.