Wichitchan, Romkamon, Kanyapat Chanmungpak, and Wachira Khemphong. 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). Sisaket,Thailand:71. https://so19.tci-thaijo.org/index.php/cnujournal/article/view/198.