Thipwong, T., and W. Wiruchnipawan. “Administrative Development Guidelines Regarding Public Relations of the Social Security Office in Chaiyaphum Province: Administrative Development Guidelines Regarding Public Relations of the Social Security Office in Chaiyaphum Province”. Governance Journal, vol. 7, no. 2, Dec. 2018, pp. 568-99, https://so01.tci-thaijo.org/index.php/gjournal-ksu/article/view/163780.