Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 32 references without a DOI — listed, not checked
no DOI — not checkedTourism Development and Economic Growth in Developing Countries
no DOI — not checkedSustainable Tourism as Part of a Comprehensive Environmental Monitoring. A Study of Serbia
no DOI — not checkedWorld Travel Organization (2019). International tourism highlights international tourism continues to outpace the global economy. UNWTO, 1, 1–24.
no DOI — not checkedUnited Nations (2019). Sustainable tourism and sustainable development in Central Asia. UN, 4–8.
no DOI — not checkedUzbekistan possesses the most considerable tourist potential in Central Asia
no DOI — not checkedEnvironmental Impacts of Tourism
no DOI — not checkedCurrent trends of ecotourism China’s nature reserves: A review of the Chinese literature
no DOI — not checkedAllanazarov, K., and Alimov, A. (2019, January 14–15). The model of the development of ecotourism in special protected areas. Uzbekistan in the Central Asia Region: Geography, Geoeconomics, Geoecology. Proceedings of the International Scientific and practical Conference, Tashkent, Uzbekistan.
no DOI — not checkedKamaletdinov, U. (2020, June 19). Opportunities for Creating Tourism Clusters in the Aral Sea Basin. Bus Daily, Available online: http://www.biznes-daily.uz/ru/gazeta-birja/58050-vozmojnosti-sozdaniya-turistichskogo-klastra-v-rgion-priaralya.
no DOI — not checkedAlimov, A. (2018). Main Directions and Prospects of Development of Ecological Tourism in the Republic of Karakalpakstan. [Ph.D. Thesis, Karakalpak State University].
no DOI — not checkedNOAA (2020, May 22). Assessment for Sustainable Tourism. Available online: https://nmssanctuaries.blob.core.windows.net/sanctuaries-prod/media/archive/management/international/pdfs/day2_assessment_manual.pdf.
no DOI — not checkedScott, D., Hall, C., and Gossing, S. (2012). Tourism and climate change: Impacts adaptation and mitigation. Contemporary Geographies of Leisure, Tourism and Mobility, Routledge. [1st ed.].
no DOI — not checkedHigman, J. (2007). Ecotourism: Understanding a Complex Tourism Phenomenon, Elsevier.
no DOI — not checkedInternational Ecotourism Society (2020, June 04). What is Ecotourism?. Available online: https://ecotourism.org/.
no DOI — not checkedEcotourism: A panacea or a predicament?
no DOI — not checkedRural tourism development in south-eastern Europe: Transition and the search for sustainability
no DOI — not checkedLindberg, K., and Hawkins, D. (1993). Ecotourism as a worldwide phenomenon. Ecotourism: A Guide for Planners and Managers, The Ecotourism Society.
no DOI — not checkedConserving desert biodiversity through ecotourism
no DOI — not checkedFennel, D.A. (2020). Ecotourism, Routledge. [5th ed.].
no DOI — not checkedWho wants to be an eco-entrepreneur? Identifying entrepreneurial types and practices in ecotourism businesses
no DOI — not checkedKhamidov, O. (2017). Improvement of Management Mechanisms in the Development of Ecological Tourism in Uzbekistan. [Ph.D. Thesis, Tashkent State University of Economics].
no DOI — not checkedPerspective Ecotourism Development in Khorezm Region
no DOI — not checkedKhalilova, K., and Allaberganov, K. (2019, January 14–15). Restoration of the ecological balance in the Aral Sea Region: Geography, Geoeconomics, Geoecology. Proceedings of the International Scientific and practical Conference, Tashkent, Uzbekistan.
no DOI — not checkedLex.uz (2020, July 02). Decree of the President of Uzbekistan on Further Development of Tourism №5611 from 5 January 2019. Available online: https://lex.uz/docs/4562382.
no DOI — not checkedUzDaily (2020, November 01). UN General Assembly Adopts a Special Resolution “Sustainable Tourism and Sustainable Development in Central Asia”. Available online: https://uzdaily.uz/en/post/53803.
no DOI — not checkedRudenko, I., and Lamers, J. (2020, November 01). The Aral Sea: An Ecological Disaster, Available online: https://ecommons.cornell.edu/bitstream/handle/1813/55717/8-6.pdf?sequence=1.
no DOI — not checkedNations Online Project (2020, October 30). Map of Aral Sea Basin in Central Asia. Available online: https://www.nationsonline.org/oneworld/asia.htm.
no DOI — not checkedIslambek Travel (2020, June 28). Trip to Aral Sea. Available online: http://islambektravel.uz/page2html.
no DOI — not checkedSustainable water management-perspectives for tourism development in north-eastern Morocco
no DOI — not checkedSimpson, M., Gossling, S., Scott, D., and Hall, C. (2008). Climate Change Adaptation and Mitigation in the Tourism Sector: Frameworks, Tools and Practices, CAB Direct.
no DOI — not checkedDevelopment of tourism infrastructure of the Republic of Karakalpakstan
no DOI — not checkedMain directions of government regulation development of sphere tourism in Kazakhstan
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