Yanapol Sangsunt และผู้แต่งคนอื่นๆ. (2007) Performance management for state enterprises in Thailand. National Institute of Development Administration:ม.ป.ท.Yanapol Sangsunt และผู้แต่งคนอื่นๆ. 2007. Performance management for state enterprises in Thailand. ม.ป.ท.:National Institute of Development Administration;Yanapol Sangsunt และผู้แต่งคนอื่นๆ. Performance management for state enterprises in Thailand. ม.ป.ท.:National Institute of Development Administration, 2007. Print.