Akbarian Ronizi, R., Mokarra, M. and Negahban, S., 2020. Utilizing multi-criteria decision to determine the best location for the ecotourism in the east and central of Fars province, Iran. Journal of Land Use Policy: 99(C) 105095, DOI: 10.1016/j.landusepol.2020.105095.
Alaeddinoglu, F. and Selcuk Can, A., 2011. Identification and classification of nature-based tourism resources: western Lake Van basin, Turkey. Journal of Procedia Social and Behavioral Sciences, 19, 198-207. doi:https://doi.org/10.1016/j.sbspro.2011.05.124
Andersen, P., Hansen, M. and Selin, C., 2021. Stakeholder inclusion in scenario planning, A review of Europen projects. Journal of Technological forecasting & Social change, 169, 1-13. DOI: 10.1016/j.techfore.2021.120802
Arif, M., Behzad, H., Tahir, M. and Changxiao, L., 2022. The impact of ecotourism on ecosystem functioning along main rivers and tributaries: implications for management and policy changes, Journal of environmental management, 320, 18-30. https://doi.org/10.1016/j.jenvman.2022.115849
Arsic, S., Nikolic, D. and Zivkovic, Z., 2017. Hybrid SWOT - ANP - FANP model for prioritization strategies of sustainable development of ecotourism in National Park Djerdap, Serbia, Journal of Forest Policy and Economics, 80, 11-26. doi: 10.1016/j.forpol.2017.02.003.
Ashok, S., 2017. Development of ecotourism sustainability assessment framework employing Delphi, C&I and participatory methods: A case study of KBR, West Sikkim, India, Journal of Tourism Management Perspectives, 21, 24-41. doi: 10.1016/j.tmp.2016.10.005.
Bell, W., 2003. Foundations of futures studies I: History, Purposes, 2th ed, New jersey: Transaction publishers, 11-23.
https://theisrm.org/documents/Bell%20(2015)%20An%20Overview%20of%20Future %20Studies.pdf
Boniface, P., 2008. Managing Quality Cultural Turism, (Translated in to Persian by: Abdullahzadeh, M), 2th Edition, Routledge, 17(8), 111-122. https://doi.org/10.4324/9780203424230
Buehring, J.H. and Bishop, P., 2020. Foresight and Design: New Support for Strategic Decision Making, She Ji, 6(3), 408-432. https://doi.org/10.1016/j.sheji.2020.07.002.
Carlisle, S., 2016. Strategic foresight for (coastal) urban tourism market complexity: The case of Bournemouth. Journal of Tourism Management, 54, 81-95. doi: 10.1016/j.tourman.2015.10.005.
Cenamor, I., de la Rosa, T., Nunez, S. and Borrajo, D., 2017. Planning for tourism routes using social networks, Journal of Expert Systems with Applications, 69, 1-9. doi: 10.1016/j.eswa.2016.10.030
Claudia, T., Gonzalez, J. and Breta, M., Christopher, A., 2012. Social-Ecological Factors Influencing Tourist Satisfactions in Three Ecotourism Lodges in the Southeastern Peruvian Amazon, Journal of Tourism Management, 33, 545-552. 10.1016/j.tourman.2011.06.008
Denstadli, J., Kr, J. and Jacobsen, S., 2011. The long and winding roads: Perceived quality of scenic tourism routes, 32(4), 780-789. https://doi.org/10.1016/j.tourman.2010.06.014
Fredman, P., Wall-Reinius, S. and Grunde’n, A., 2012. The Nature of Nature in Nature-based. Journal of Hospitality and Tourism, 12(4), 289-309. doi:10.1080/15022250.2012.752893
Jayawardena, C., Patterson, D., Choi, C. and Brain, R., 2008. Sustainable Tourism Development in Niagara: Discussions, Theories, Projects and Insights. Journal of Contemporary Hospitality Management, 20(3), 258-277. DOI:10.1108/09596110810866082
Khumalo, T., Sebatlelo, P. and van der Merwe, C.D., 2014. Who is a heritage tourist? a comparative study of Constitution Hill and the Hector Pieterson Memorial and Museum, Johannesburg, South Africa, Journal of Hospitality, Tourism and Leisure, 3(1), 1-13.

https://www.researchgate.net/publication/263806757
Lawshe, C., 1975. A quantitative approach to content validity. Journal of personal psychology, 28(4), 563-575. https://doi.org/10.1111/j.1744-6570.1975.tb01393.x
Mohammadian mosammam, H., Sarrafi, M., Tavakoli nia, J. and Heidari, S., 2016. Typology of the ecotourism development approach and an evaliation from the sustainability view: the case of mazandaran province, iran. Journal of tourism management perspectives, 18. 168-178. DOI:10.1016/J.TMP.2016.03.004
Mutana, S. and Mukwada, G., 2018. Mountain-route tourism and sustainability. A discourse analysis of literature and possible future research. Journal of Outdoor Recreation and Tourism, 24, 59-65. https://doi.org/10.1016/j.jort.2018.08.003
Ocampo, L., Ebisa, J., Ombe, J. and Geen Escoto, M., 2018. Sustainable ecotourism indicators with fuzzy Delphi method – A Philippine perspective. Journal of Ecological Indicators, 93(C), 121-133. DOI:10.1016/j.ecolind.2018.05.060
Postma, A., 2015. Investigating scenario planning- a European tourism perspective, Jornal of tourism futures, 1(1), 46-52. https://www.researchgate.net/publication/277568044
Santarem, F., Campos, J., Pereira, P., Hamidou, D., Saarinen, J. and Brito, J., 2018. Using multivariate statistics to assess ecotourism potential of water bodies: A case-study in Mauritania, Journal of Tourism Management, 67, 34-46. doi: 10.1016/j.tourman.2018.01.001
Verdugo, M., Vazquez, M., Garcia, M. and Aguera, F., 2016. The relevance of psychological factors in the ecotourist experience satisfaction through ecotourist site perceived value, Journal of Cleaner Production, 124, 226-235. doi: 10.1016/j.jclepro.2016.02.126.
Zhang, H. and Lai Lei, S., 2012. A structural model of residents’ intention to participate in ecotourism, The case of a wetland community, Journal of Tourism Management, 33(4), 916-925. doi: 10.1016/j.tourman.2011.09.012.