University of Warsaw (Poland)
Wyższa Szkoła Bankowa w Gdańsku (Poland)
University of Lisbon (Portugal)
University of Gothenburg (Sweden)
Warsaw School of Economics (Poland)
eCampus University (Italy)
Jagiellonian University in Kraków (Poland)
Fordham University (United States of America)
University of Warsaw (Poland)
Danube University Krems (Austria)