SUKSRI, C. .; PHONGKHIEO, N. T. .; EMPHANDHU, D. . Environmental perception and learning experience in nature trail of national park visitors. Kasetsart Journal of Social Sciences, [S. l.], v. 42, n. 2, p. 339–244, 2021. Disponível em: https://so04.tci-thaijo.org/index.php/kjss/article/view/251213. Acesso em: 7 may. 2024.