Sakdina Sontisakyothin และผู้แต่งคนอื่นๆ. (2000) Major factors affecting policy changes on illegal migrant workers in Thailand. National Institute of Development Administration:ม.ป.ท.Sakdina Sontisakyothin และผู้แต่งคนอื่นๆ. 2000. Major factors affecting policy changes on illegal migrant workers in Thailand. ม.ป.ท.:National Institute of Development Administration;Sakdina Sontisakyothin และผู้แต่งคนอื่นๆ. Major factors affecting policy changes on illegal migrant workers in Thailand. ม.ป.ท.:National Institute of Development Administration, 2000. Print.