Phouvanh Chanthavong. (1998) Labour force participation of rural-urban migrants in Lao P.D.R. 1994. Mahidol University,:ม.ป.ท.Phouvanh Chanthavong. 1998. Labour force participation of rural-urban migrants in Lao P.D.R. 1994. ม.ป.ท.:Mahidol University,;Phouvanh Chanthavong. Labour force participation of rural-urban migrants in Lao P.D.R. 1994. ม.ป.ท.:Mahidol University, 1998. Print.