Karnjanapamonpat, T., M. Nagamatsu, and Y. Wutthimaythee. “Management of Environmental Friendly Hotel by the Reflection from Local Community in Southern Thailand”. Ph.D. In Social Sciences Journal, vol. 12, no. 1, Apr. 2022, pp. 210-24, https://so05.tci-thaijo.org/index.php/phdssj/article/view/224485.