The First International Conference on Economic Sciences: proceedings of the Conference. Vienna, April 03, 2014.
"East West“ Association for Advances Studies and Higher Education GmbH.
2014.
P. 299-307
The First International Conference on Economic Sciences: proceedings of the Conference. Vienna, April 03, 2014.
"East West“ Association for Advances Studies and Higher Education GmbH.
2014.
P. 308-314