| 1. | Inbound tourism tourism to the Middle East and North Africa / World Tourism OrganizationData Publicação: 2003 Col.autor: OMT |  | |
| 2. | Tourism peace and sustainable development for Africa, Luanda-Angola, 29-30 May 2003 / World Tourism OrganizationData Publicação: 2003 Col.autor: OMT | | |