Craiu, C.
Rusu, M. C.
Hostiuc, S.
Săndulescu, M.
Derjac-Aramă, A. I.
Funding for this research was provided by:
Sectorial Operational Programme Human Resources Development (SOPHRD), financed by the European Social Fund and by the Romanian Government (POSDRU/159/1.5/S/141531)