Makhachkala
MazanaevaLudmila F.Dagestan State University, 43a Gadzhieva St., Makhachkala 367025, Russiamazanaev@mail.ru
MazanaevaLyudmilaF.Dagestan State University, 4 Batyryaya Str., Makhachkala 367000, Russiamazanaev@mail.ru
GichihanovaUzlipatA.Dagestan State University, 4 Batyryaya Str., Makhachkala 367000, Russiauzlipat92@mail.ru
MazanaevaLyudmilaF.Dagestan State University, 4 Batyryaya Str., Makhachkala 367000, Russiamazanaev@mail.ru
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