Cite

Nestor Shpak
Lviv Polytechnic National University,
Nazar Podolchak
Lviv Polytechnic National University,
Veronika Karkovska
Department of Administrative and Financial Management, Lviv Polytechnic National UniversityLviv, Ukraine
Wlodzimierz Sroka
WSB University, Management DepartmentDąbrowa Górnicza, Poland