Alexander Fehér is a research scientist at the Department of Sustainable Development, Faculty of European Studies and Regional Development, Slovak University of Agriculture in Nitra (Slovakia) and a teacher at the University of Economy in Bydgoszcz (Poland). He has published more than 160 publications (scientific papers, monographs, students textbooks, etc.) from case studies in Slovakia, the Czech Republic, Hungary, Bulgaria, United Kingdom, USA, Switzerland, Austria, Poland, Germany, Russia, Latvia, Italy, Greece, Sweden, Finland, Denmark, Spain, Portugal, Turkey, and China.