Эко туризм в Азии и Европы. Journal of Universal Science Research, [S. l.], v. 2, n. 5, p. 445–451, 2024. DOI: 10.66301/jusr.v2i5.5842. Disponível em: https://www.universalpublishings.com/index.php/jusr/article/view/5842. Acesso em: 11 nov. 2026.