Khanty Lok Aphone. (1999) The effect of household socioeconomic factors on probability of infant died in Xaysomboon special region, LAO PDR. Mahidol University,:ม.ป.ท.Khanty Lok Aphone. 1999. The effect of household socioeconomic factors on probability of infant died in Xaysomboon special region, LAO PDR. ม.ป.ท.:Mahidol University,;Khanty Lok Aphone. The effect of household socioeconomic factors on probability of infant died in Xaysomboon special region, LAO PDR. ม.ป.ท.:Mahidol University, 1999. Print.