Nararuk Boonyanam. (2015) Agricultural land abandonment in Thailand. National Institute of Development Administration:ม.ป.ท.Nararuk Boonyanam. 2015. Agricultural land abandonment in Thailand. ม.ป.ท.:National Institute of Development Administration;Nararuk Boonyanam. Agricultural land abandonment in Thailand. ม.ป.ท.:National Institute of Development Administration, 2015. Print.