Document Type : Original Article
Authors
1 PhD. Candidate, Department of Linguistics, Faculty of Humanities, Ferdowsi university of Mashhad, Mashhad, Iran
2 Associate Prof. of Linguistics, Department of Linguistics, Faculty of Letters, Ferdowsi University of Mashhad. Iran
3 ŮŽAssistant Professor of Linguistics , Faculty of Humanities, Ferdowsi University of Mashhad, Mashhad, Iran
Abstract
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