N. Silp-Udom and A. NaRanong, “Study of the Structure and Operation of the Southern Border Provinces Administrative Centre During the Strategic Period in the Development of Southern Border Provinces 2015-2017: Study of the Structure and Operation of the Southern Border Provinces Administrative Centre During the Strategic Period in the Development of Southern Border Provinces 2015-2017”, gjl, vol. 8, no. 2, pp. 462–481, Dec. 2019.