Hacettepe University of Ankara

Prof. Ozcan Demirel

University of Belgrade

Prof. Aleksandra Pejatovic

University of Bucharest

Prof. Viorel Nicolescu

Eqrem Cabej University, Gjirocastro

Prof. Liljana Recka

Prof. Gezim Sala

University of Ioannina

Prof. Athanasios Gotovos

Petroleum-Gas University of Ploiesti

Dr. Ioana Herseni

Assoc. Prof. Dr Roxana Enache

University “St.Cyril and Methodius”, Skopje

Prof. Natasha Angeloska Galevska

Sofia University St. Kliment Ohridski

Prof. Dr. Mariana Stefanova

Prof. Dr. Rumyana Kusheva

Aristotle University of Thessaloniki

Prof. Nicos Terzis

University of Macedonia, Thessaloniki

Assist. Prof. Dr.Athina Sipitanou

University of Zagreb

Doc. dr.sc.Sinisa Opic

RETIRED

Dr Ivan Ferbezer