(1)  I.V. Mukhamednazarova  (Silk Road International Tourism University , Uzbekistan)
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*
(2)  Xoschu Elvira (Samarkand State University Republic of Uzbekistan , Uzbekistan)
(3)  T.M. Nizamutdinov  (Samarkand State University Republic of Uzbekistan , Uzbekistan)
(*) Corresponding Author