Keawyok, Y. ., Yunyong ว., and ชุมสาย ส. “ Sub-District Tamai District Chanthaburi Province”. RBRU Journal of Humanities and Social Sciences (online), vol. 2, no. 1, July 2021, pp. 32-43, https://so05.tci-thaijo.org/index.php/husorbrujournal/article/view/249371.