Baku AbbasovI.I.Azerbaijan State University of Oil and Industry, 16/21 Azadlig Avenue, Baku, Azerbaijanibrahimabbasov179@gmail.com Read more about Аббасов Ибрагим Иса оглы DadashovaV.V.Baku State University, 1148, Baku, Z. Khalilov Street, 23vusalevaleh@gmail.com Read more about Дадашова Вусала Валех кызы HuseynovJ.I.Azerbaijan State Pedagogical University, Baku city, U. Hajibeyov street, 34cahangir.adpu@mail.ru Read more about Гусейнов Джахангир Ислам оглы HasanovKh.А.Azerbaijan State Pedagogical University, Baku city, U. Hajibeyov street, 34khanlarhasanli@gmail.com Read more about Гасанов Ханлар Алы оглы