Ivan Biškup, Ph.D., defended his doctoral thesis “Possibilities and hindrances in a process of development of small and medium sized businesses”, on March 1, 2021. Mentor of doctoral thesis: Prof. Slavica Singer, professor emeritus.
Thesis defending committee: Prof. Sunčica Oberman Peterka, Ph.D., University of Osijek, Faculty of Economics in Osijek; Prof. Sanja Pfeifer, Ph.D., University of Osijek, Faculty of Economics in Osijek; Prof. Miroslav Rebernik, Ph.D., University of Maribor, Faculty of Economics and Business.