Authors
Filip Grudzewski
Koźmiński University, Department of Marketing, ul. Jagiellońska,, Warsaw, Poland
Marcin Awdziej
Koźmiński University, Department of Marketing, ul. Jagiellońska,, Warsaw, Poland
Grzegorz Mazurek
Koźmiński University, Department of Marketing, ul. Jagiellońska,, Warsaw, Poland
Katarzyna Piotrowska
Koźmiński University, Department of Quantitative Methods & Information Technology, ul. Jagiellońska,, Warsaw, Poland