Bezpalova, Olha Ihorivna; Kobzieva , Tatiana Anatoliivna; Valeriiovych Korniienko , Volodymyr; Vasylovych Kritsak, Ivan; Bezpalova, Olha Ihorivna; Kobzieva , Tatiana Anatoliivna; Valeriiovych Korniienko , Volodymyr; Vasylovych Kritsak, Ivan; Bezpalova, Olha Ihorivna; Kobzieva , Tatiana Anatoliivna; Valeriiovych Korniienko , Volodymyr; Vasylovych Kritsak, Ivan (Universidad Cooperativa de Colombia, )