Suebsing, S. “Study of Environmental Conservation Approaches of Thamuang Tambon Community, Amphoe Selleum, Roi Et Province”. Trends of Humanities and Social Sciences Research, vol. 9, no. 2, Oct. 2021, pp. 245-54, https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/253065.