Phalapol, C., P. Potiwan, and P. Promgird. “The Political Socialization to Pattern Political Culture of Political Leader in the Northeastern Region”. Dhammathas Academic Journal, vol. 19, no. 4, Dec. 2019, pp. 47-58, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/209445.