KRONGYUT , K. . .; POOMVICHUVECH, D. . .; SUMAN, N. . . Evaluation and Classification of the Recreation Opportunities Spectrum in Natural-Base Attractions, Chiang Rai Province. Dusit Thani College Journal, [S. l.], v. 12, n. 3, p. 102–117, 2020. Disponível em: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/240951. Acesso em: 19 may. 2024.