Galina Pancu, Sorin Andrian, Gianina Iovan, Angela Ghiorghe, Claudiu Topoliceanu, Antonia Moldovan, Andrei Georgescu, Irina Nica, Silvia Teslaru, Simona Stoleriu
[pdf] http://rjor.ro/uploads/revista/2014/no1/THE-ASSESMENT-OF-THE-RELATION-BETWEEN-RETENTION.pdf [/pdf]