Vichak Phongpetra. (2001) An assessment of internal structural adjustment factors affecting organizational performance : a case study of energy enterprises in Thailand after the economic crisis in 1997. National Institute of Development Administration,:ม.ป.ท.Vichak Phongpetra. 2001. An assessment of internal structural adjustment factors affecting organizational performance : a case study of energy enterprises in Thailand after the economic crisis in 1997. ม.ป.ท.:National Institute of Development Administration,;Vichak Phongpetra. An assessment of internal structural adjustment factors affecting organizational performance : a case study of energy enterprises in Thailand after the economic crisis in 1997. ม.ป.ท.:National Institute of Development Administration, 2001. Print.