Dr. Professor, Bursa Uludag University
Bursa, Turkey

PhD, L.N. Gumilyov Eurasian National University
Nur-Sultan, Kazakhstan

PhD, L.N. Gumilyov Eurasian National University
Nur-Sultan, Kazakhstan

PhD, Zaporizhzhya National Technical University
Zaporizhzhya, Ukraine

Dr. Professor, Leipzig University
Leipzig, Germany

Dr. Professor, Balıkesir University
Balıkesir, Turkey

Dr. Professor, Balıkesir University
Balıkesir, Turkey

Dr. Professor, Eszterházy Károly University
Eger, Hungary

Dr. Professor, Gdańsk University
Gdańsk, Poland

Dr. Professor, Sofia University "St. Kliment Ohridski"
Sofia, Bulgaria

Dr. Professor, Saratov State University
Saratov, Russia

Dr. Assoc. Professor, P.A. Stolypin Omsk State Agrarian University
Omsk, Russia

Dr. Professor, Pavlodar state pedagogical university
Pavlodar, Kazakhstan

Dr. Assoc. Professor, K. Zhubanov Aktobe regional state university
Aktobe, Kazakhstan

Dr. Professor, University of Oradea
Oradea, Romania

Dr. Assoc. Professor, University of Szeged
Szeged, Hungary

Dr. Professor, University of National and World Economy
Sofia, Bulgaria

Dr. Professor, Baikal Institute of Nature Management, Russian Academy of Sciences
Ulan-Ude, Russia