المؤلفون: Marin, Laurentiu, Pavel, Topala, Marin, Catalina Daniela, Sandu, Teodor

المصدر: ACTA Universitatis Cibiniensis ; volume 66, issue 1, page 108-113 ; ISSN 1583-7149

الاتاحة: http://dx.doi.org/10.1515/aucts-2015-0037
http://content.sciendo.com/view/journals/aucts/66/1/article-p108.xml
https://www.sciendo.com/article/10.1515/aucts-2015-0037