Sudthijek, Sisomphon. “The Strategy Development Administration Ecotourism Strategic Plan of National Hinnamno in Context of Word Natural Heritage”. Journal for Developing the Social and Community 6, no. 1 (June 30, 2019): 239–252. accessed October 3, 2026. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211456.