Song และผู้แต่งคนอื่นๆ. (2002) Downsizing and public productivity : a case study of the Metropolitan Waterworks Authority, Thailand. National Institute of Development Administration:ม.ป.ท.Song และผู้แต่งคนอื่นๆ. 2002. Downsizing and public productivity : a case study of the Metropolitan Waterworks Authority, Thailand. ม.ป.ท.:National Institute of Development Administration;Song และผู้แต่งคนอื่นๆ. Downsizing and public productivity : a case study of the Metropolitan Waterworks Authority, Thailand. ม.ป.ท.:National Institute of Development Administration, 2002. Print.