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)
Uniwersytet Jagielloński w Krakowie (Poland)
Fordham University (United States of America)
University of Warsaw (Poland)
Danube University Krems (Austria)