31. | | Autor: Hawkes, Ethan Coautor: ; JR., Robert J. Kwortnik, co-autor COTA(S): RE-1268 | |
32. | | Autor: Beirman, David COTA(S): RE-1268 | |
33. | | Autor: Stipanuk, David COTA(S): RE-1268 | |
34. | | Col.autor: Associação Nacional de Empresas de Turismo Activo COTA(S): 10727-I | |
35. | | Autor: Martín Rojo, Inmaculada Coautor: ; Peláez Verdet, Antonio COTA(S): RE-319 | |
36. | | Autor: Prats Palazuelo, Fernando COTA(S): RE-319 | |
37. | | Autor: Yunis, Eugenio COTA(S): RE-319 | |
38. | | Autor: Jiménez Herrero, Luis M. COTA(S): RE-319 | |
39. | | Col.autor: Grupo para a Sustentabilidade do Turismo COTA(S): 11922 | |
40. | | Col.autor: WTO COTA(S): 11885 | |