Prinya Tumsatan และผู้แต่งคนอื่นๆ. (2006) An investigation of the impact of learning organization and the improvement of organizational performance. National Institute of Development Administration:ม.ป.ท.Prinya Tumsatan และผู้แต่งคนอื่นๆ. 2006. An investigation of the impact of learning organization and the improvement of organizational performance. ม.ป.ท.:National Institute of Development Administration;Prinya Tumsatan และผู้แต่งคนอื่นๆ. An investigation of the impact of learning organization and the improvement of organizational performance. ม.ป.ท.:National Institute of Development Administration, 2006. Print.