School of Geography and Tourism, Shaanxi Normal University, Xi’an, CHINA
2
Key Laboratory of Environmental Change and Natural Disaster of Ministry of Education, CHINA
3
State Key Laboratory of Earth Surface Processes and Resource Ecology, Engineering Center of Desertification and Blown-Sand Control of Ministry of Education, Faculty of Geographical Science, Beijing Normal University, Beijing, CHINA
Original Article: EURASIA J. Math., Sci Tech. Ed (2018), 14(7), 2857–2866. https://doi.org/10.29333/ejmste/90019 This document states that the Article is retracted by request from the authors.
We process personal data collected when visiting the website. The function of obtaining information about users and their behavior is carried out by voluntarily entered information in forms and saving cookies in end devices. Data, including cookies, are used to provide services, improve the user experience and to analyze the traffic in accordance with the Privacy policy. Data are also collected and processed by Google Analytics tool (more).
You can change cookies settings in your browser. Restricted use of cookies in the browser configuration may affect some functionalities of the website.