Theerapaksiri, P., K. Trakansiriwanich, N. Tanupol, and M. Inthajak. “The Competency Development to Manage Agro-Eco Tourism of Pla Ba Community, Loei, Thailand”. Asian Administration and Management Review, vol. 2, no. 2, July 2019, pp. 189-00, https://so01.tci-thaijo.org/index.php/AAMR/article/view/242844.