Sripamorn , T. ., and R. . Noppanatwongsakorn. “Factor Affecting Work Moral of Academic and Planning Bureau Officer, Agricultural Land Reform Office”. Dhammathas Academic Journal, vol. 20, no. 2, June 2020, pp. 47-56, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/238761.