Promgird, P., R. Chumnanmak, and W. Sririn. “The Principal Political Culture of People in Ban Kham Sub-District Administrative Area, Nam Phong District, Khon Kaen Province”. Journal of Liberal Arts Prince of Songkla University, Vol. 11, no. 1, June 2019, pp. 228-4, https://so03.tci-thaijo.org/index.php/journal-la/article/view/199930.