Prof. Dr. Emin Atasoy
Uludag University
Bursa, Turkey
Prof. Dr. Abdullah Soykan
Balıkesir University
Balıkesir, Turkey
Prof. Dr. Jan A. Wendt
Gdańsk University
Gdańsk, Poland
Prof. Dr. Burghard Meyer
Leipzig University
Leipzig, Germany
Prof. Dr. David Lorant
Szent Istvan University
Gödöllő, Hungary
Prof. Dr. Alaattin Kızılçaoğlu
Balıkesir University
Balıkesir, Turkey
Ing. Dirk Van Merode MSc.
University of Antwerp
Antwerp, Belgium
Prof. Dr. Atanas Dermendjiev
St. Cyril and St. Methodius University of Veliko Turnovo
Veliko Turnovo, Bulgaria
Prof. Dr. Stela Dermendjieva
St. Cyril and St. Methodius University of Veliko Turnovo
Veliko Turnovo, Bulgaria
Prof. Dr. Vilian Krastev
University of Economics - Varna
Varna, Bulgaria
Prof. Dr. Vladimir Makarov
Saratov State University
Saratov, Russia
Assoc. Prof. Dr. Zhanbolat Tusupbekov
P.A. Stolypin Omsk State Agrarian University
Omsk, Russia
Prof. Dr. Nelya Shapekova
L.N.Gumilyov Eurasian National University
Astana, Kazakhstan
PhD Ruslan Safarov
L.N.Gumilyov Eurasian National University
Astana, Kazakhstan
PhD Zharas Berdenov
L.N.Gumilyov Eurasian National University
Astana, Kazakhstan
Prof. Dr. Ordenbek Mazbayev
L.N.Gumilyov Eurasian National University
Astana, Kazakhstan
Prof. Dr. Sherim Tulegenov
L.N.Gumilyov Eurasian National University
Astana, Kazakhstan
Prof. Dr. Zhanat Shomanova
Pavlodar state pedagogical institute
Pavlodar, Kazakhstan
Assoc. Prof. PhD Erbolat Mendybaev
K. Zhubanov Aktobe regional state university
Aktobe, Kazakhstan
Prof. Dr. Alexandru Ilieş
University of Oradea
Oradea, Romania
Prof. Dr. İrina Koleva
Sofia University "St. Kliment Ohridski"
Sofia, Bulgaria
Assoc. Prof. Dr. Zdravka Kostova
Sofia University "St. Kliment Ohridski"
Sofia, Bulgaria
Assoc. Prof. Dr. Elena Galay
Belarusian State University
Minsk, Belarus
Assoc. Prof. PhD Hussein
Al-Wadhaf
Hajjah University
Hajjah, Yemen
Assoc. Prof. Dr. Kiss Tímea
University of Szeged
Szeged, Hungary
Prof. Dr. Luchiyan Milkov
University of National and World Economy
Sofia, Bulgaria
Teacher of Maths Ivan Mironov
Professional School by John Atanasov
Stara Zagora, Bulgaria
Prof. Dr. Endon Garmaev
Baikal Institute of Nature Management, Russian Academy of Sciences
Ulan-Ude, Russia
PhD Anton Germashev
Zaporizhzhya National Technical University
Zaporizhzhya, Ukraine
Prof. Dr. Marin Rusev
Sofia University "St. Kliment Ohridski"
Sofia, Bulgaria
Prof. PhD Agnieszka Bógdał-Brzezińska
University of Warsaw
Warsaw, Poland
Prof. Dr. Askar Nigmatov
Gulistan State University
Tashkent, Uzbekistan
Prof. Dr. Jilili Abuduwaili
Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences
Urumqi, China