Authors
Marcin Gabryel
Faculty of Mechanical Engineering and Computer Science, Czestochowa University of Technology, Cze¸stochowa, Poland
Magdalena M. Scherer
Faculty of Management, Czestochowa University of Technology, Poland
Łukasz Sułkowski
Faculty of Management and Social Sciences, Jagiellonian University, Cracow, Poland
Management Department, University of Social Sciences, Lodz, Poland
Clark University
Robertas Damaševičius
Department of Applied Informatics, Vytautas Magnus University, Lithuania