المؤلفون: Enache, Valentin, Cozea, Irina Alexandra, Oana-Maria Andreoiu, Andrei, Florin, Enache, Simona, Becheanu, Gabriel

الاتاحة: https://dx.doi.org/10.13140/rg.2.2.17757.00487
http://rgdoi.net/10.13140/RG.2.2.17757.00487

المؤلفون: Popa, Manuela, Andrei, Florin, Cozea, Irina Alexandra, Enache, Valentin, Enache, Simona, Terzea, Dana, Iosif, Cristina, Vasilescu, Florina, Becheanu, Gabriel

الاتاحة: https://dx.doi.org/10.13140/rg.2.2.13149.82404
http://rgdoi.net/10.13140/RG.2.2.13149.82404