[Alonso, A. D. & Liu, Y. (2012), “Old wine region, new concept and sustainable development: winery entrepreneurs’ perceived benefits from wine tourism on Spain’s Canary Islands,’ Journal of Sustainable Tourism, vol. 20, no. 7, pp. 991-1009. http://dx.doi.org/10.1080/09669582.2011.65122010.1080/09669582.2011.651220]Search in Google Scholar
[Alvarez, M. D. (2014), ‘Sustainability issues: Tourism as an instrument for development,’ in E. Fayos-Solà, M. D. Alvarez & C. Cooper (eds.) Tourism as an Instrument for Development: A Theoretical and Practical Study, Bingley: Emerald, pp. 87-100. http://dx.doi.org/10.1108/s2042-14432014000000600110.1108/S2042-144320140000006001]Search in Google Scholar
[Avena, G. & Giacalone, M. (2011), “Un’analisi statistica del turismo sostenibile in Calabria,’” Rivista di scienze del turismo, vol. 3, pp. 27-35.]Search in Google Scholar
[Barbier, E. B. (1998), The Economics of Environment and Development: Selected Essays, London: Edward Elgar.]Search in Google Scholar
[BarOn, R. R. V. (1973), ‘Seasonality in tourism - Part II,’ International Tourism Quarterly, vol. 1, pp. 51-67. ]Search in Google Scholar
[-- (1975), Seasonality in Tourism: A Guide to the Analysis of Seasonality and Trends for Policy Making, London: The Economist Intelligence Unit Limited.]Search in Google Scholar
[Barney, G. O. (1980), The Global 2000 Report to the President of the U.S., Washington, DC: U.S. Government Printing Office.]Search in Google Scholar
[Baum, T. & Lundtorp, S., eds. (2011), Seasonality in Tourism. Amsterdam: Elsevier.]Search in Google Scholar
[Beltratti, A.; Chichilnisky, G. & Heal, G. (1993), Sustainable Growth and the Green Golden Rule, NBER Working Paper no. 4430, Cambridge: National Bureau of Economic Research. http://dx.doi.org/10.3386/w443010.3386/w4430]Search in Google Scholar
[Berno, T. & Bricker, K. (2001), ‘Sustainable tourism development: The long road from theory to practice,’ International Journal of Economic Development, vol. 3, no. 3, pp. 1-18.]Search in Google Scholar
[Blaug M. (1978), Economic Theory in Retrospect, Cambridge: Cambridge University Press.]Search in Google Scholar
[Boyer, J. C. (1972), Le tourisme, Paris: Éd. du Seuil.]Search in Google Scholar
[Bresso, M. (1982), Pensiero economico e ambiente, Torino: Loescher Editore. ]Search in Google Scholar
[-- (1993), Per un’economia ecologica, Roma: La Nuova Italia Scientifica.]Search in Google Scholar
[Buchmann, A. (2009), ‘Managing sustainable wine tourism industry,’ Wine Business Research Symposium Proceedings, University of Newcastle, pp. 250-263.]Search in Google Scholar
[Buckley, R. (2012), ‘Sustainable tourism: Research and reality,’ Annals of Tourism Research, vol. 39, no. 2, pp. 528-546. http://dx.doi.org/10.1016/j.annals.2012.02.00310.1016/j.annals.2012.02.003]Search in Google Scholar
[Butler, R. (1994), ‘Seasonality in tourism: issues and problems,’ in A. V. Seaton (ed.) Tourism: The State of the Art, New York: John Wiley & Sons, pp. 332-339.]Search in Google Scholar
[Byrd, E. T. (2007), ‘Stakeholders in sustainable tourism development and their roles: applying stakeholder theory to sustainable tourism development,’ Tourism Review, vol. 62, no. 2, pp. 6-13. http://dx.doi.org/10.1108/1660537078000030910.1108/16605370780000309]Search in Google Scholar
[Cannas, R. (2012), ‘An overview of tourism seasonality: key concepts and policies,’ Alma Tourism, vol. 5, pp. 40-58.]Search in Google Scholar
[Carlsen, J. (2004), ‘A review of global wine tourism research,’ Journal of Wine Research, vol. 15, no. 1, pp. 5-13. http://dx.doi.org/10.1080/095712604200030028110.1080/0957126042000300281]Search in Google Scholar
[Carmichael, B. A. & Senise, D. M. (2011), ‘Competitiveness and sustainability in wine tourism regions: the application of a stage model of destination development to two Canadians wine regions,’ in P. H. Dougherty (ed.) The Geography of Wine: Regions, Terroir and Techniques, Berlin: Springer, pp. 159-178.]Search in Google Scholar
[Carson, D. & Macbeth, J., eds. (2005), Regional Tourism Studies. Innovation on Regional Tourism, Altona Victoria: Common Ground Publishing.]Search in Google Scholar
[Cassar, S. (2007), ‘Tourism development in Sicily during the fascist period (1922-1943),’ Journal of Tourism History, vol. 1, no. 2, pp. 131-149. http://dx.doi.org/10.1080/17551820903353447 10.1080/17551820903353447]Search in Google Scholar
[-- (2015a), ‘Il settore turistico in Sicilia nella seconda metà del Novecento,’ in P. Folguera et al. (eds.) Pensar con la historia desde el siglo XXI, Actas del XII Congreso de la Asociación de Historia Contemporánea, Madrid: UAM Ediciones, pp. 457-477.]Search in Google Scholar
[-- (2015b), ‘Offerta ricettiva e flussi turistici in Sicilia,’ in P. Avallone & D. Strangio (eds.) Turismi e turisti. Politica, innovazione, economia in Italia in età contemporanea, Milano: FrancoAngeli, pp. 137-180.]Search in Google Scholar
[Cassar, S. & Creaco, S. (2012), ‘Il ruolo della Cassa per il Mezzogiorno nello sviluppo del settore turistico,’ Rivista Economica del Mezzogiorno, vol. XXVI, no. 3, pp. 521-556.]Search in Google Scholar
[Cavallo, L. & Santoro, M. T. (2014), ‘The seasonal adjustment of occupancy variables: the Italian experience,’ Paper delivered at the 2nd Global Forum on Tourism Statistics, May 14-17, Prague.10.17265/2328-224X/2014.05.001]Search in Google Scholar
[Cerina, F.; Markandya, A. & McAleer, M., eds. (2010), Economics of Sustainable Tourism, New York: Routledge.10.4324/9780203842331]Search in Google Scholar
[Cernat, L. & Gourdon, J. (2007), Is the Concept of Sustainable Tourism Sustainable? New York: United Nations.]Search in Google Scholar
[Chichilnisky, G. (1977a), ‘Development patterns and the international order,’ Journal of International Affairs, vol. 32, no. 2, pp. 275-304. http://dx.doi.org/10.2139/ssrn.1366878 10.2139/ssrn.1366878]Search in Google Scholar
[-- (1977b), ‘Economic development and the efficiency criteria in the satisfaction of basic needs,’ Applied Mathematical Modelling, vol. 1, pp. 290-298. http://dx.doi.org/10.1016/0307-904X(77)90060-9 10.1016/0307-904X(77)90060-9]Search in Google Scholar
[Choi, H. C. & Sirakaya E. (2006), ‘Sustainable indicators for managing community tourism,’ Tourism Management, vol. 27, pp. 1274-1289. http://dx.doi.org/10.1016/j.tourman.2005.05.01810.1016/j.tourman.2005.05.018]Search in Google Scholar
[Chung, J. C. (2009), ‘Seasonality in tourism: A review,’ E-Review of Tourism Research, vol. 7, no. 5, pp. 82-96.]Search in Google Scholar
[Ciani Scarnicci, M.; Marcelli, A.; Pinelli, P.; Romani, A. & Russo, R. (2014), Economia, ambiente e sviluppo sostenibile, Milano: FrancoAngeli.]Search in Google Scholar
[Cobbinah, P. B.; Black, R. & Thwaites, R. (2013), ‘Tourism planning in developing countries: review of concepts and sustainable issues,’ International Journal of Social Education, Economics and Management Engineering, vol. 7, no. 4, pp. 468-475.]Search in Google Scholar
[Consiglio regionale della Calabria (2011), Approvazione del Piano regionale di sviluppo turistico sostenibile per il triennio 2011-2013, Reggio di Calabria.]Search in Google Scholar
[Cooper, C.; Wanhill, S.; Fletcher, J.; Gilbert, D. & Fyall, A. (2008), Tourism: Principles and Practice, Harlow: Pearson Education.]Search in Google Scholar
[Creaco, S. (2015a), ‘Turismo e intervento straordinario per le aree depresse in Italia,’ in P. Folguera et al. (eds.) Pensar con la historia desde el siglo XXI, Actas del XII Congreso de la Asociación de Historia Contemporánea, Madrid: UAM Ediciones, pp. 425-456.]Search in Google Scholar
[-- (2015b), ‘Turismo e intervento straordinario nel Mezzogiorno,’ in P. Avallone & D. Strangio (eds.) Turismi e turisti. Politica, innovazione, economia in Italia in età contemporanea, Milano: FrancoAngeli, pp. 93-136.]Search in Google Scholar
[Defert, P. (1966), Le tourisme, factor de valorisation régionale, Paris: Centre de recherches économiques et sociales.]Search in Google Scholar
[ -- (1967), La taux de fonction touristique: mise en point et critique, Aix-en-Provence: Centre d’études du tourisme.]Search in Google Scholar
[Diaz, D. (2011), ‘The viability and sustainability of international tourism in developing countries,’ Paper delivered at the Symposium on Tourism Services, Geneva.]Search in Google Scholar
[Dixon, J. A. & Steer, A., eds. (1994), The World Bank and the Environment: A Fourfold Agenda, Washington, DC: The World Bank.]Search in Google Scholar
[EC (1992), Towards Sustainability, A European community programme for policy and action in relation to the environment and sustainable development. Official Journal of the European Communities, C 138/5, 17.05.1993.]Search in Google Scholar
[Emmelin, L. (2006), Sustainable Tourism Development in the Baltic Sea Region, Östersund: The European Tourism Research Institute.]Search in Google Scholar
[Eurostat (2015), Tourism Statistics at Regional Level, Brussels.]Search in Google Scholar
[Farsari, Y.; Butler, R. & Prastacos, P. (2007), ‘Sustainable tourism policy for Mediterranean destinations: issues and interrelationships,’ International Journal of Tourism Policy, vol. 18, no. 1, pp. 58-78. http://dx.doi.org/10.1504/IJTP.2007.013898 10.1504/IJTP.2007.013898]Search in Google Scholar
[Fossati, A. & Panella, G., eds. (2000), Tourism and Sustainable Economic Development, Dordrecht: Kluwer Academic Publishers.10.1007/978-1-4615-4321-3]Search in Google Scholar
[Garau, C. (2014), ‘Smart paths for advanced management of cultural heritage,’ Regional Studies, Regional Science, vol. 1, no. 1, pp. 286-293. http://dx.doi.org/10.1080/21681376.2014.97343910.1080/21681376.2014.973439]Search in Google Scholar
[-- (2015), ‘Perspectives on cultural and sustainable rural tourism in a smart region: the case study of Marmilla in Sardinia (Italy),’ Sustainability, vol. 7, no. 6, pp. 6412-6434. http://dx.doi.org/10.3390/su706641210.3390/su7066412]Search in Google Scholar
[Giacalone, M.; La Tona, L. & Marino, C. (2005), Sustainability in the Receptive- Tourist Field in Sicily, Relazione al Convegno SIS: Statistics and Environment, Università di Messina.]Search in Google Scholar
[Gordon, B. M. (2003), ‘The Mediterranean destination from classical antiquity to Club Med,’ Mediterranean Studies, vol. 12, pp. 203-226.]Search in Google Scholar
[Grafton, R. Q.; Adamowicz, W.; Dupont, D.; Nelson, H.; Hill, R. J. & Renzetti, S. (2004), The Economics of the Environment and Natural Resources, Oxford: Blackwell Publishing. http://dx.doi.org/10.1002/978047075546410.1002/9780470755464]Search in Google Scholar
[Günther, W. (2011), Sustainable Tourism Development in the Baltic Sea Region, Kiel: Institute for Tourism Research in Northern Europe.]Search in Google Scholar
[Heal, G. M. (1998), ‘Interpreting sustainability,’ in G. Chichilnisky, G. M. Heal & A. Vercelli (eds.) Sustainability: Dynamics and Uncertainty, Dordrecht: Kluwer Academic Publishers. http://dx.doi.org/10.1007/978-94-011-4892-4_110.1007/978-94-011-4892-4_1]Search in Google Scholar
[Heikkilä, J.; Poladova, A. & Kääriä, J. (2014), ‘Need for service design development for sustainable rural tourism in Azerbaijan,’ Baltic Journal of European Studies, vol. 4, no. 2, pp. 83-98. http://dx.doi.org/10.2478/bjes-2014-001710.2478/bjes-2014-0017]Search in Google Scholar
[Herrera, A. O. (1974), Introduction and basic assumptions of the model, Proceedings of the second IIASA symposium on global modelling, Laxenburg: International Institute for Applied Systems Analysis, pp. 3-8.]Search in Google Scholar
[Herrera, A. O.; Scolnik, H. D. & Chichilnisky, G. (1976), Catastrophe or New Society. A Latin American World Model, Ottawa: International Development Research Centre.]Search in Google Scholar
[Istituto centrale di statistica (2013), Annuario statistico italiano. Anno 2013, Roma.]Search in Google Scholar
[-- (2014a), La superficie dei comuni, delle provincie e delle regioni italiani, Roma. ]Search in Google Scholar
[-- (2014b), Statistiche del turismo. Anno 2013, Roma.]Search in Google Scholar
[IUCN (2010), Sustainable Tourism in the Mediterranean Panorama and Perspectives, Strategies and Actions, Gland: IUCN.]Search in Google Scholar
[IUCN; UNEP & WWF (1980), World Conservation Strategy: Living Resource Conservation for Sustainable Development, Gland: IUCN, UNEP & WWF.10.2305/IUCN.CH.1980.9.en]Search in Google Scholar
[Kondur, O.; Kopchak, Y. & Kopchak, L. (2014), ‘Role of the tourism sector in sustainable development of the Carpathian region: social, educational and economic aspects,’ Journal of Vasyl Stefanyk Precarpathian National University, vol. 1, nos. 2-3, pp. 119-122. http://dx.doi.org/10.15330/jpnu.1.2-3.119-12210.15330/jpnu.1.2-3.119-122]Search in Google Scholar
[Liu, Z. (2003), ‘Sustainable tourism development: a critique,’ Journal of Sustainable Tourism, vol. 11, no. 6, pp. 459-475. http://dx.doi.org/10.1080/0966958030866721610.1080/09669580308667216]Search in Google Scholar
[Lück, M.; Maher, P. T. & Stewart, E. J., eds. (2010), Cruise Tourism in Polar Regions: Promoting Environmental and Social Sustainability? London: Routledge.10.4324/9781849776394]Search in Google Scholar
[Manning, T. (1999), ‘Indicators of tourism sustainability,’ Tourism Management, vol. 20, pp. 179-181.]Search in Google Scholar
[Markandya, A.; Taylor, T. & Pedroso, S. (2003), ‘Tourism and sustainable development: Lessons from recent World Bank experience,’ Paper delivered at the International Conference on Tourism and Sustainable Economic Development, Macro e micro issues, Chia (Cagliari).]Search in Google Scholar
[Meadows, D. H.; Meadows, D. L.; Randers, J. & Behrens, W. W. (1972), The Limits to Growth, New York: Universe Books.]Search in Google Scholar
[Middleton, V. T. C. & Hawkins, R. (1998), Sustainable Tourism: A Marketing Perspective, Oxford: Butterworth-Heinemann.10.1016/B978-0-7506-2385-8.50007-7]Search in Google Scholar
[Milne, S. (1998), ‘Tourism and sustainable development: Exploring the global-local nexus,’ in C. M. Hall & A. A. Lee (eds.) Greening the Sustainable Tourism: A Geographical Perspective, Essex: Longman, pp. 35-48.]Search in Google Scholar
[Mirloup, J. (1974), ‘Élements méthodologiques pour une étude de l’équipment hôtelier: l’exemple des departments de la Loire moyenne,’ Norois, vol. 4, no. 1, pp. 563-583. http://dx.doi.org/10.3406/noroi.1974.340410.3406/noroi.1974.3404]Search in Google Scholar
[Musu, I. (1993), Economia e ambiente, Bologna: Il Mulino.]Search in Google Scholar
[O’Mahony, B. & McMurray, A. (2008), Seasonality in the Tourism Industry: Impacts and Strategies, Gold Coast: Sustainable Tourism Cooperative Research Centre’s Monograph Series.]Search in Google Scholar
[O’Riordan, T. (1993), ‘The politics of sustainability,’ in R. K. Turner (ed.) Sustainable Environmental Economics and Management: Principles and Practice, New York: John Wiley & Sons, pp. 37-69.]Search in Google Scholar
[OECD (2010), Sustainable Tourism and Local Development in Apulia Region, Paris: OECD.]Search in Google Scholar
[Osservatorio turistico della Regione siciliana (2005), Il turismo in Sicilia. I flussi dell’incoming nazionali ed internazionali. 2004-2005, Palermo.]Search in Google Scholar
[ -- (2013), Il turismo in Sicilia. Rapporto 2012-2013, Palermo.]Search in Google Scholar
[ -- (2014), Piano strategico di sviluppo turistico 2014-2020, Programma triennale 2015-2017, Palermo.]Search in Google Scholar
[Özçevik, O.; Brebbia, C. A. & Şener, S. M. (2015), Sustainable Development and Planning VII, Southampton: The WIT Press.]Search in Google Scholar
[Pearce, D. (2002), ‘An intellectual history of environmental history,’ Annual Review of Energy and the Environment, vol. 27, pp. 57-81. http://dx.doi.org/10.1146/annurev.energy.27.122001.083429 10.1146/annurev.energy.27.122001.083429]Search in Google Scholar
[ Pearce, D. W. & Turner, R. K. (1990), Economics of Natural Resources and the Environment, New York: Harvester Wheatsheaf.]Search in Google Scholar
[Peris-Ortiz, M.; DelRio Rama, M. & Rueda-Armengot, C. (2016), Wine and Tourism: A Strategic Segment for Sustainable Economic Development, Berlin: Springer. http://dx.doi.org/10.1007/978-3-319-18857-710.1007/978-3-319-18857-7]Search in Google Scholar
[Petreska, B. (2013), ‘Empirical analysis of seasonality in tourism patterns,’ Journal of Process Management, vol. 1, no. 2, pp. 87-95.]Search in Google Scholar
[Pezzey, J. (1989), Definitions of Sustainability, Working Paper no. 9, London: UK Centre for Environment and Development. ]Search in Google Scholar
[-- (1997), ‘Sustainability constraints versus “optimality” versus intertemporal concern, and axioms versus data,’ Land Economics, vol. 73, no. 4, pp. 448-466. http://dx.doi.org/10.2307/314723910.2307/3147239]Search in Google Scholar
[Poitras, L. & Getz, D. (2010), ‘Sustainable wine tourism: the host community perspective,’ Journal of Sustainable Tourism, vol. 14, no. 5, pp. 425-448. http://dx.doi.org/10.2167/jost587.010.2167/jost587.0]Search in Google Scholar
[Presidenza del Consiglio dei Ministri (2013), Turismo Italia 2020. Piano strategico per lo sviluppo del turismo in Italia, Roma.]Search in Google Scholar
[Sandmo, A. (2014), The Early History of Environmental Economics, Bergen: Norwegian School of Economics.10.2139/ssrn.2432928]Search in Google Scholar
[Santini, C.; Cavicchi, A. & Casini, L. (2013), ‘Sustainability in the wine industry: Key questions and research trends,’ Agricultural and Food Economics, vol. 1, pp. 1-14. http://dx.doi.org/10.1186/2193-7532-1-910.1186/2193-7532-1-9]Search in Google Scholar
[Secretariat of the Alpine Convention (2013), Sustainable Tourism in the Alps. Report on the State of the Alps, Innsbruck: Secretariat of the Alpine Convention.]Search in Google Scholar
[Shah, K.; McHarry, J. & Gardiner, R. (2002), ‘Sustainable tourism - turning the tide, towards Earth Summit 2002,’ Economic Briefing, vol. 4, pp. 1-14.]Search in Google Scholar
[Sharpley, R. (2000), ‘Tourism and sustainable development: exploring the theoretical divide,’ Journal of Sustainable Tourism, vol. 8, no. 1, pp. 1-19. http://dx.doi.org/10.1080/0966958000866734610.1080/09669580008667346]Search in Google Scholar
[Sirageldin, I. (1994), ‘Making development sustainable,’ in I. Sirageldin & A. Steer (eds.) Making Development Sustainable: From Concepts to Action, Environmental Sustainable Development Occasional Papers, no. 2, Washington, DC: World Bank. http://dx.doi.org/10.1596/0-8213-3042-X 10.1596/0-8213-3042-X]Search in Google Scholar
[Solow, R. (1993), ‘An almost practical step toward sustainability,’ Resources Policy, vol. 19, no. 3, pp. 162-172. http://dx.doi.org/10.1016/0301-4207(93)90001-410.1016/0301-4207(93)90001-4]Search in Google Scholar
[Stewart, E. J.; Drape. D. & Johnston (2005), ‘A review of tourism research in the polar regions,’ Arctic, vol. 58, no. 4, pp. 383-394.]Search in Google Scholar
[Swarbrooke, J. (1999), Sustainable Tourism Management, New York: CABI Publishing.10.1079/9780851993140.0336]Search in Google Scholar
[Tanguay, G. A.; Rajaonson, J. & Therrien, M-C. (2011), Sustainable Tourism Indicators: Selection criteria for policy implementation and scientific recognition, Montréal: Centre Interuniversitaire de Recherche en Analyse des Organisations (CIRANO).10.2139/ssrn.1948674]Search in Google Scholar
[Tourism Sustainability Group (2007), Action for More Sustainable Tourism, Brussels: European Commission.]Search in Google Scholar
[Turner, R. K. (1993), ‘Sustainability: principles and practice,’ in R. K. Turner (ed.) Sustainable Environmental Economics and Management: Principles and Practice, New York: John Wiley & Sons, pp. 3-36.]Search in Google Scholar
[ULUCHAY (2014), Sheki-Zagatala Economic Region: Assessing Tourism Potential, Sheki: ULUCHAY.]Search in Google Scholar
[UN (1972), Report of the United Nations Conference on the Human Environment, New York: United Nations. ]Search in Google Scholar
[-- (2001), Plan of Action for Sustainable Tourism Development in the Asian and Pacific Region (1999-2005), New York: United Nations.]Search in Google Scholar
[-- (2002), Report of the World Summit on Sustainable Development, New York: United Nations.]Search in Google Scholar
[UNEP (2005), Mediterranean Strategy for Sustainable Development: A Framework for Environmental Sustainability and Shared Prosperity, Athens: UNEP.]Search in Google Scholar
[UNEP & UNWTO (2005), Making Tourism More Sustainable: A Guide for Policy Makers, Paris: UNEP & UNWTO.]Search in Google Scholar
[UNWTO (2006), What Tourism Managers Need to Know: A Practical Guide to the Development and Use of Indicators of Sustainable Tourism, Madrid: UNWTO.]Search in Google Scholar
[-- (2007), A Practical Guide to Tourism Destination Management, Madrid: UNWTO.]Search in Google Scholar
[Waligo, V. M.; Clarke, J. & Hawkins, R. (2013), ‘Implementing sustainable tourism: a multi-stakeholder involvement management framework,’ Tourism Management, vol. 36, pp. 342-353. http://dx.doi.org/10.1016/j.tourman.2012.10.00810.1016/j.tourman.2012.10.008]Search in Google Scholar
[Wall, G. & Mathieson, A. (2006), Tourism: Change, Impacts and Opportunities, Edinburgh: Pearson Education.]Search in Google Scholar
[Weaver, D. & Lawton, L. (1999), Sustainable Tourism: A Critical Analysis, Gold Coast: CRC.]Search in Google Scholar
[Wilard, P. (2011), Regional Environmental Policy and Sustainable Tourism Development in the Caribbean, Santiago: United Nations Publication.]Search in Google Scholar
[World Commission on Environment and Development (1987), Our Common Future, London: Oxford University Press.]Search in Google Scholar
[WTO (1993), Indicators for the Sustainable Management of Tourism, Madrid: WTO. ]Search in Google Scholar
[-- (1997), What Tourism Managers Need to Know: A Practical Guide to the Development and Use of Indicators of Sustainable Tourism, Madrid: WTO. ]Search in Google Scholar
[-- (1998), Guide for Local Authorities in Developing Sustainable Tourism, Madrid: WTO. ]Search in Google Scholar
[-- (1999), Sustainable Development of Tourism: An Annotated Bibliography, Madrid: WTO. ]Search in Google Scholar
[-- (2004), Indicators of Sustainable Development for Tourism Destinations: A Guidebook, Madrid: WTO.]Search in Google Scholar
[Yazdi, S. (2012), ‘Sustainable tourism,’ American International Journal of Social Science, vol. 1, no. 1, pp. 50-56.]Search in Google Scholar
[Yunis, E. (2004), ‘Indicators to measure sustainability in tourism,’ Paper delivered at the 7th International Forum on Tourism Statistics. Stockholm, 9-11 June. ]Search in Google Scholar