. Ashoftehpour, Sepideh, (2015). Recognition, planning and tourism development strategies of Langarud, The first national conference on tourism, income and opportunity, Hamedan, Shahid Mofteh Technical and Vocational College
. Gilan Statistics, Management and Planning Organization, 2018-2019
. Papoli Yazdi, Saghaei Mehdi, (2008). Tourism (nature and concepts), Samt publication, Tehran
. Poorahmad, Ahmad, (2005). The realm of philosophy in geography. University of Tehran Press
. Tork, L., Yarahmady, A. M., (2019) unplanned Development of Tourism and its Impact on the Environment of the Lakes (Case Sample: Gahar Lake, Lorestan), Environmental hazards management, Vol.6, No.1, pp. 83-95
. Taqvaee, Massoud, Safarabadi, Azam, (2011). The role of urban management in tourism, Journal of Arid Regions Geographics Studies, Vol.1, No.4
. Tavakoli, Babak, Jafarzadeh, Mohadeseh, (2014). Strategies for the development of sustainable tourism in Langarud with the SWOT model, First national conf. on urban planning, urban management and sustainable development
. Heidari, Chianeh, (2003). Evaluation of tourism industry in Iran, Bioethics Journal, Vol.3, No.7
. Divasalar, Assadaleh et al., (2008). The role of tourism in the sustainability of an area, Journal of Iran National Ecosystem, Vol.7, No.4, pp. 83-98
. Rokanuddin Eftekhari, Abdolreza, (2007). Guilan Coastal Tourism Management, Modarres Human Sciences, Vol.10, No.2
. Shahmari Ardjani, Rifat, Bazargani, Mehran, (2017). Explain the priorities of natural hazards in Masuleh Rudkhan watershed, First national conf. on investment opportunities and limitations, Guilan science and technology park
. Ziaei, Mahmoud, Shahabi, Muslim, (2010). Leveling of tourist destinations, Tourism Management Studies, Vol.5, No.13, pp.25-46
. Tawafzadeh, Nasim, (2007). Optimization of Caspian Sea management, 11th National Symposium of Marine Industries, Kish
. Abdollahi, Ayouzi, (2006). Ecotourism with environmental protection, 6th National Conference of Agricultural Economics, Mashhad
. Faselnia, Gharib, Hedayati, Salah, (2009). Appropriate strategies for tourism development in Iran, The Journal of Geography and development, Vol.8, No.19, pp.145-170
. Farahani, Banafsheh, Kamali, Marzieh, (2011). Environmental Culture Article: A Strategy for Sustainable Tourism Development, First National Conference on Tourism and Ecotourism of Iran, Islamic Azad University of Hamedan
. The Holy Quran, persian ranslation: Meshkini, Al-Imran verse.137, Al-Inam verse. 11.
. Gharkhloo et al. (2009), Investigation of environmental effects of Ramsar coastal tourism, Journal of new aspects in human geography, Vol.1 , No.3, pp.1-12
. Moghimi, Ibrahim, (2016). Knowledge of hazards. Tehran, Tehran University Press
. Mousavi, Mir Najaf, (2015). Environmental analysis with a systemic approach in tourism, Geography journal of torism space, Vol.6 , No.22, pp.61-86
. Nazari, H, Seidiy, S, (2020), Analyzing the hazards affecting the development of sustainable tourism entrepreneurship in Koohrang county by using qualitative comparative analysis of fuzzy set, Environmental hazards management, Vol.7, No.1, pp. 97-111
. Gee, Chuck Y and Fayos Sola, Eduardo, (1933) International tourism: a global perspective, World Tourism Organization
. Gunn, C.A. (1997) Vacationscape: developing tourist areas, 3rd ed. Taylor & Francis.
. Tsai, H. T.; Tseng, C. J.; Tzeng, S. Y.; & Wu, T. J. (2012). “The impacts of natural hazards on Taiwan’s tourism industry”, Natural hazards, 62(1), pp. 83-91. DOI: 10.1007/s11069-011-0034-z
. World Travel & Tourism Council (2011) http://www.wttc.org/. 3 Jul 2011.
. Weber, F. (2006). Natural Hazards: increasing challenges for tourism destination, Switzerland: University of Berne.
. Mathiseon, A and wall ،G.(1982). Tourism: Economic, Physical & Social Impact, Journal of Travel Research, PP:51-55. DOI:10.1177/0047287583022001131
. Low Christopher M.(1994) Attracting Visitors to Large Cities, European Urban and Regional Studies, Vol.1, No.2, pp: 188-189, DOI: 10.1177/096977649400100211