Hui และ Jiang. (1990) Cost-effectiveness analysis on Japanese Encephalitis Vaccination Program in Thailand. Mahidol University,:ม.ป.ท.Hui และ Jiang. 1990. Cost-effectiveness analysis on Japanese Encephalitis Vaccination Program in Thailand. ม.ป.ท.:Mahidol University,;Hui และ Jiang. Cost-effectiveness analysis on Japanese Encephalitis Vaccination Program in Thailand. ม.ป.ท.:Mahidol University, 1990. Print.