Elena Preda, Bucharest University of Economic Studies, Romania
Marius Constantin, Bucharest University of Economic Studies, Romania
Bogdan Cristian Chiripuci, Bucharest University of Economic Studies, Romania
IonuĊ£ LaurenĊ£iu Petre, Bucharest University of Economic Studies, Romania
Vlad Constantin Turcea, Bucharest University of Economic Studies, Romania