Suthashom Soonthornchareornont และผู้แต่งคนอื่นๆ. (2005) Factors influencing migration of rural labour in the Northeastern Region of Thailand. National Institute of Development Administration:ม.ป.ท.Suthashom Soonthornchareornont และผู้แต่งคนอื่นๆ. 2005. Factors influencing migration of rural labour in the Northeastern Region of Thailand. ม.ป.ท.:National Institute of Development Administration;Suthashom Soonthornchareornont และผู้แต่งคนอื่นๆ. Factors influencing migration of rural labour in the Northeastern Region of Thailand. ม.ป.ท.:National Institute of Development Administration, 2005. Print.