Nisada Wedchayanon. (2011) Change in Personnel Administration in the Thai Public Sector from the 20th Century to the Beginning of the 21st Century. <i>NIDA Development Journal</i>, <i>51</i>(1), 123-155.Nisada Wedchayanon. "Change in Personnel Administration in the Thai Public Sector from the 20th Century to the Beginning of the 21st Century". NIDA Development Journal 51 (2011):123-155.Nisada Wedchayanon. Change in Personnel Administration in the Thai Public Sector from the 20th Century to the Beginning of the 21st Century. National Institute of Development Administration:ม.ป.ท. 2011.