Authors
Olimpia Neagu
Faculty of Economics, Engineering and Informatics, Vasile Goldiș Western University of Arad, Romania
Doru Ioan Ardelean
Faculty of Economics, Engineering and Informatics, Vasile Goldiș Western University of Arad, Romania
Vasile Lazăr
Faculty of Economics, Engineering and Informatics, Vasile Goldiș Western University of Arad, Romania