Department of Business Excellence
Faculty of Economic Sciences and Management
Nicolaus Copernicus University in Toruń
Gagarina 11 street
87-100 Toruń (Poland)

Department of Management and Business
Faculty of Management and Marketing
Simon Kuznets Kharkiv National University of Economics
prospect Nauki 9A
61166 Kharkiv (Ukraina)

e-mail: leader(at)umk.pl