University Constantin Brancusi of Targu-Jiu, Babes-Bolyai University, Babes-Bolyai University, Alexandru Ioan Cuza University, Independent, Babes-Bolyai University, Transilvania University of Brasov, Transilvania University of Brasov, Babes-Bolyai University, Faculty of European Studies, University of Bucharest, University Constantin Brancusi of Targu-Jiu, University Constantin Brancusi of Targu-Jiu, Babes-Bolyai University, University Stefan cel Mare, University Stefan cel Mare, University Stefan cel Mare, Transilvania University of Brasov, affiliation not provided to SSRN, Transilvania University of Brasov and National University of Political Studies and Public Administration (NSPSPA)

Babes-Bolyai University, Transilvania University of Brasov, Romanian Diplomatic Institute, University of Bucharest, Babes-Bolyai University, Faculty of European Studies, Lucian Blaga University of Sibiu, Babes-Bolyai University, Romanian Diplomatic Institute, University Constantin Brancusi of Targu-Jiu, Alexandru Ioan Cuza University, Transilvania University of Brasov, Transilvania University of Brasov, Academy of Sciences of Moldova - Institute of Chemistry, Transilvania University of Brasov, University Dunarea De Jos Galati, University Dunarea De Jos Galati, Universitatea Tehnica din Moldova, Transilvania University of Brasov, Transilvania University of Brasov, University Constantin Brancusi of Targu-Jiu, University Constantin Brancusi of Targu-Jiu, Transilvania University of Brasov, Alexandru Ioan Cuza University, Transilvania University of Brasov, Transilvania University of Brasov, University Constantin Brancusi of Targu-Jiu, Alexandru Ioan Cuza University, University Constantin Brancusi of Targu-Jiu, University of Oradea, University Dunarea De Jos Galati, University Dunarea De Jos Galati, University Constantin Brancusi of Targu-Jiu, University of Bucharest, Ovidius University of Constanţa and University of Bucharest