Chuta Manusphaibool และผู้แต่งคนอื่นๆ. (1990) Rural-urban migration trend and employment status : a case study in Bangkok Metropolis. National Institute of Development Administration:ม.ป.ท.Chuta Manusphaibool และผู้แต่งคนอื่นๆ. 1990. Rural-urban migration trend and employment status : a case study in Bangkok Metropolis. ม.ป.ท.:National Institute of Development Administration;Chuta Manusphaibool และผู้แต่งคนอื่นๆ. Rural-urban migration trend and employment status : a case study in Bangkok Metropolis. ม.ป.ท.:National Institute of Development Administration, 1990. Print.