Quality and leading innovation III. proceedings from the international scientific conference : 25. - 27. september 2017, Košice (SK), Uzhgorod (UA) - Lacko, Roman, 1988-; Mitrová, Miriam, 1975-; Hudák, Matej, 1984-; Tkáč, Michal, 1958-; Jakub, Vincent (University of Economics, Faculty of Business Economics with seat in Košice, 2017)