Wichitchan, R. , Chanmungpak, K. and Khemphong, W. 2022. The Motivation of Personal Performance Effect Efficiency and Effectiveness to Personal Performance Administration Organization, Chang Klang District, Nakhon Si Thammarat Province: Keywords: Motivation, Personnel, Performance. Chalermkarnchana Academic Journal. 9, 1 (Apr. 2022), 71.