Amornthip Teathiengtam. (2000) Impact of population on environmental change in Thailand. National Institute of Development Administration,:ม.ป.ท.Amornthip Teathiengtam. 2000. Impact of population on environmental change in Thailand. ม.ป.ท.:National Institute of Development Administration,;Amornthip Teathiengtam. Impact of population on environmental change in Thailand. ม.ป.ท.:National Institute of Development Administration, 2000. Print.