Yulia DoroshDepartment of Hotel and Restaurant Business and Food TechnologiesIvan Franko National University of Lviv
Yurii OliinykDepartment of State History, Law and Political and Legal StudiesIvan Franko National University of Lviv
Ihor BoikoDepartment of State History, Law and Political and Legal StudiesIvan Franko National University of Lviv
Olena HafiakFaculty of International Relations, Department of International lawIvan Franko National University of Lviv