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Briceño Avalos, Hernán Ricardo (2009): Commercially-and-socially-oriented postal services.
Dumitriu, Ramona and Stefanescu, Razvan (2008): Perceptions of the Foreign Direct Investors on the Romanian Business Environment. Published in: Review of Management and Economical Engineering No. special issue of the Proceedings of the International Conference on Business Excellence ICBE, 17-18 October, 2008, Brasov, Romania (14. December 2008): pp. 231-234.
Hălăngescu, Constantin I. (2011): Provocări și tendințe ale învățămantului superior în contextul globalizării (literature review).
Magdaléna, Kudelová (2007): Free Movement of Goods and the Czech Republic with Emphasis on Environmental Protection. Published in: ECON 07 , Vol. 14, (2007): pp. 92-98.