Gritsana Patjakreng และ Sompote Kunnoot. (2016) Economic and environmental impacts of rail transportation investment. National Institute of Development Administration:ม.ป.ท.Gritsana Patjakreng และ Sompote Kunnoot. 2016. Economic and environmental impacts of rail transportation investment. ม.ป.ท.:National Institute of Development Administration;Gritsana Patjakreng และ Sompote Kunnoot. Economic and environmental impacts of rail transportation investment. ม.ป.ท.:National Institute of Development Administration, 2016. Print.