Le และผู้แต่งคนอื่นๆ. (2000) Action research to expand school health insurance coverage for schoolchildren by improving knowledge of their parents VIA schoolchildren's parents association in dong Thai commune, Vietnam. Chulalongkorn University:ม.ป.ท.Le และผู้แต่งคนอื่นๆ. 2000. Action research to expand school health insurance coverage for schoolchildren by improving knowledge of their parents VIA schoolchildren's parents association in dong Thai commune, Vietnam. ม.ป.ท.:Chulalongkorn University;Le และผู้แต่งคนอื่นๆ. Action research to expand school health insurance coverage for schoolchildren by improving knowledge of their parents VIA schoolchildren's parents association in dong Thai commune, Vietnam. ม.ป.ท.:Chulalongkorn University, 2000. Print.