2- Arie Reichel, Natan Uriely & Amir Shani (2008): Ecotourism and Simulated Attractions: Tourists’ Attitudes Towards Integrated Sites in a Desert Area, Journal of Sustainable Tourism, 16(1), 23-41.
3- Azman, N., Abdul Halim. Sh., Liu, O., Saidin, S., and Komoo, I. (2010). Public Education in Heritage Conservation for Geopark Community. Procedia Social and Behavioral Sciences. 7, 504–511.
4- Amirian, R., Ghodousi, & J., Mohammadi, A. (2016). Analysis of effective criteria in identifying potential areas for natural tourism development in desert areas (Case study: Varamin city, Tehran province), Journal of Environmental Science and Technology, Eighteenth Period, Special Issue No. 3, 189-202 (in Farsi).
5- Boley, B., Nickerson, N., and Bosak, K. (2011). Measuring geotourism: Developing and testing the geitraveler tendency scale (GTS). Journal of Travel Research, 5, 15-22.
6- Briedenhann, J., Wickens, E. (2018). Combining Qualitative and Quantitative Research Methods in Evaluation Related Rural Tourism Development Research, Buckinghamshire Chilterns University College. 2018, 1-12.
7- Coratza, P., Chinoi. A., Piacentini, D., and Valdati, J. (2008). Management of Geomorphosites in hight tourist vocation area: an example of geohiking maps in the Alpe di fanes (natural park of fanes-senes-braies, Italian dolomites), Geo Journal of Tourism and Geosites, 2(2), 106- 117.
8- Dowling, R. (2011). Geotourism’s global growth. Geoheritage, 3(1), 1–13.
9- Eldermi, A., & Mirsanjari, M.M. (2011). Investigation of Environmental Potentials of Alisadar Cave Geopark for Sustainable Socio-Economic Development of the Region, Journal of Environment and Development, 2 (3), 116-122 (in Farsi).
10- Ebrahim Bay Salami, G.H., & Gholami, M. (2011). Sustainable Desert Ecotourism Policy in Iran and United Arab Emirates (A Comparative Study), Tourism Development Quarterly, 1(1), 31-58 (in Farsi).
11- Fassoulas, Ch., Mouriki, D., Dimitriou Nikolakis, P., George, I. (2011). Quantitative Assessment of Geotopes as an Effective Tool for Geoheritage Management; Geoheritage, 21, 245 - 266.
12- Faraji Rad, A., & Ehsani, A. (2011). Investigating the Impact of Local Settlements (Clustering on Ecology) on Improving the Living Level of the Local Community (with Emphasis on Garmah Village and Long Slope), Geographical Land Journal, Scientific-Research, Year Eighth, No. 30, 77-63. (in Farsi).
13- Ghanbari, A., Karimi, F., & Yazdani, O. (2017). Geomorphic Feasibility of Sarvoabad City Using Perira and Reynard Methods, Geographic Space, 17 (57), 195-211 (in Farsi).
14- Hejazi, M.A., & Setareh Farmani, M. (2017). Geotourism Assessment of Geomorphosites of Varkana Village by Perryra Method, Geography and Planning, 21(59), 41-63.
15- Hengky, SH. (2017). Probing coastal eco-tourism in Pasir Putih Beach, Indonesia. Bus Manag Horiz, 5(1):1–11.
16- Higgins-Desbiolles, F. (2006). More than an industry: The forgotten power of tourism as a social force. Tourism Management, No. 27,1192–1208.
17- Hashemi, M., Ramesht, M.H. (2014). Potential Finding of Yazd Desert in Ecotourism Industry Using Formal Analysis Models, Geographical Exploration of Desert Areas, Second Year, No. 3, 187-204 (in Farsi).
18- Ilies. D., Josan, N. (2009): Geosites-Geomorphosites and relief, Geojournal of Tourism and Geosites, PP. 78-85.
19- Jinyang Deng, Brian King, Thomas Bauer (2002). Evaluaing Natural Attraction for Tourism, Annals of Tourism Research, 29(2), 422–438.
20- Karazi, E. (2006). Geotourism, New Approach to Tourism Planning in Zanjan Province, Selected Proceedings of Zanjan Tourism Development Capabilities, Rangelands and Strategies. (in Farsi).
21- Khoshtaria, T.K. Chachava, N.T. (2017): Prospects of ecotourism development in recreation areas of South Georgia, Annals of Agrarian Scienc, pp 1-6.
22- Mousavi, S.H., Kiani Salmi, S., Sadeghi, A., & Akbari Feyzabadi, H. (2017). Evaluation of Ecotourism Development Capacity Based on Ecological and Management Assessment in Abbasab Wildlife Refuge, Journal of Desert Ecosystems Engineering, Journal Sixth Year, No. 15, 119-134. (in Farsi).
23- Movahed, A., & Dabaghzadeh, N. (2010). Ecological Evaluation of Dez River Range between Regulatory Dam and Ghir Dam for Ecotourism, Journal of Environment, Thirty-Sixth Year, No. 55, 13-24. (in Farsi).
24- Maghsoudi, M., Alizadeh, M., Rahimi Harabadi, S., & Hodai Arani, M. (2012). Geomorphic Ability of Kavir National Park, Tourism Management Studies, 7(19), 49-68 (in Farsi).
25- Mokhtari, D., & Hemmati, F. (2016). Identification of Geomorphic Locations of Deireh Watershed and Evaluation of their Geotouristic Capabilities by Priera, Geography and Planning Method, 20(57), 255-276 (in Farsi).
26- Mirktooli, J., Zangi Abadi, Z., Aflaki, Z., Musazadeh, H. (2016). Evaluation of Geological Heritage in Cheshmeh Badab-e-Sour Geopark by Perira and Reynard Methods (Erost Village- Sari County), Regional Planning, 6(1), 205-220 (in Farsi).
27- Moghimi, E., Rahimi Harabadi, S., Hodai Arani, M., Alizadeh, M., & Orouji, H. (2012). Geomorphotourism and Feasibility Study of Road Geomorphocytes Using Periera Method, Case Study, Free Road 28-Kashan, Applied Research in Geographical Sciences, 12(27), 163-184 (in Farsi).
29- Navidi, H., Mortazavi, S. A., & Amirnejad, H. (2014). Deserts and Sustainable Development in Iran: Study of Ecotourism Value in the Egyptian Desert of Isfahan Province, Quarterly Journal of Economic Growth and Development Research , No. 18, 82-65 (in Farsi).
30- Nuzula NI, Armono HD, Rosyid DM (2017). Management of Baluran National Park resources for coastal ecotourism based on suitability and carrying capacity. Appl Mech Mater, 862: 161–167.
31- Organization of Forests, Rangelands and Watersheds of Iran (2014), Guide to Ecotourism and Ecotourism in Watersheds, pp. 7-22. (in Farsi).
32- Pourkhosravani, M., & Moghani Rahimi, B. (2015). An Analysis of Geomorphotourism Attractions in Regional Tourism Development (Case Study of Sirjan Desert), Urban and Regional Studies and Research, Year Seven, No. 27, 119-136 (in Farsi).
33- Pereira, P., Pereira, D. Caetano, M. Braga, A. (2007): Geomorphosite assessment in Montesinho Natur al Park (Portugal), Geographica Helvetica Jg. 62: PP. 159-168.
34- Shayan, S., & Ismail, P. (2007). Feasibility Study of Ecotourism Prospects in Kohgiluyeh and Boyer Ahmad, Journal of Humanities Teacher, 11(53), 153-181 (in Farsi).
35- Sheikh al-Islami, A., Tavakoli, R.A., Aghalijani, M., & Moghimi, E. (2013). Strategic Planning for Sustainable Tourism Development in Jiroft City Using SWOT Model, Zagros Geography and Urban Planning Quarterly, Fifth Year, No. 15, 66-81 (in Farsi).
36- Shu-Yuan Pan, MengyaoGao, HyunookKim, Kinjal J. Shah, Si-Lu Pei, Pen-ChiChiang (2018): Advances and challenges in sustainable tourism toward a green economy, Science of The Total Environment, 635, 452-469.
37- Vasiljevic, D. Markovic, SB. Hose, TA. Smalley, I. Basarin, B. Lazic, L. and G. Jovic, (2011): The introduction to geoconservation of loesspalaeoso sequences in the Vojvodina region. Significant Geoheritage of Serbia, 240, 108–116
38- Wójtowicza, B. Strachowkab, R. and M. Strzyz. (2011): the perspectives of the development of tourism in the areas of geoparks in Poland, Procedia Social and Behavioral Sciences, 19, 150–157.
39- Yufeng, Zh., and Lei, J. (2019): Resources development and tourism environmental carrying capacity of ecotourism industry in Pingdingshan City, China, Ecological Processes, 8:7, https://doi.org/10.1186/s13717-019-0161-0