1. | Guide for local authorities on developing sustainable tourism : Asia and the Pacific / World Tourism OrganizationData Publicação: 1999 Col.autor: OMT COTA(S): 7083.3 | ||
2. | Sustainable development of tourism : a compilation of good practices / World Tourism OrganizationData Publicação: 2000 Col.autor: OMT COTA(S): 8083 |