11.		Global Dialogue Forum on Vocational Education and Skills Development for Commerce Workers / International Labour Office Autor: International Labour Office
12.		Tourism and poverty alleviation / World Tourism Organization Data Publicação: 2002 Col.autor: OMT
13.		A sustainability strategy for tourism / International Friends of Nature Data Publicação: 1998
14.		Economie et politique du tourisme international / François Vellas Autor: Vellas, François Data Publicação: 1985
15.		Les tourismes a l'échelle planétaire / Jean-Pierre Harris Autor: Harris, Jean-Pierre
16.		The economic environment for tourism in 1996 / Lawrence R. Klein Autor: Klein, Lawrence R.
17.		Les caractéristiques du cadre socio-economique / Organisation Mondiale du Tourisme Col.autor: OMT
18.		Les contraintes / Organisation Mondiale du Tourisme Col.autor: OMT
19.		Sustainable tourism development in practice : a case study on Malaysia's agriculture park in Shah Alam, Selangor, Malaysia / Ministry of Culture, Arts and Tourism of Malaysia Col.autor: Malaysia. Ministry of Culture. Arts and Tourism of Malaysia
20.		Using IRR and NPV models to evaluate societal costs of tourism projects in developing countries / D. Omotayo Brown, Francis A. Kwansa Autor: Brown, D. Omotayo Coautor: ; Kwansa, Francis A.