SUDTHIJEK, S. The Strategy Development Administration Ecotourism Strategic Plan of National Hinnamno in Context of Word Natural Heritage. Journal of Research and Development Institute Rajabhat Maha Sarakham University, [S. l.], v. 6, n. 1, p. 239–252, 2019. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211456. Acesso em: 4 may. 2024.