Document Type : علمی -پژوهشی
Authors
1 -Department of Physical Geography, Faculty of Letters and Humanities, Ferdowsi University of Mashhad, Mashhad, Iran
2 Department of Natural Resources and Environment, Faculty of Natural Resources, Ferdowsi University of Mashhad, Mashhad, Iran
3 -Department of Geography, Payame Noor University of Tehran, Tehran, Iran
Abstract
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