- Bulgarian Academy of Sciences
- Union of Scientists in Bulgaria
- Science & Education Foundation, Bulgaria
- New Education Foundation, Poland
- VUZF University, Bulgaria
- Kazakh National Agrarian University, Kazakhstan
- Al–Farabi Kazakh National University, Kazakhstan
- Institute of Field and Vegetable Crops, Serbia
- Kavala Institute of Technology, Greece
- Institute of Power Engineering, National Academy of Sciences, Belarus
- Faculty of Economy and Business Administration, University of Craiova, Romania
- Faculty of Administration and Business, University of Bucharest, Romania
- Faculty of Military Leadership, University of Defence, Czech Republic
- Department of Engineering and Computer Graphics, ITMO University, Russia
- Department of Business Administration, School of Business and Economics, Szent Istvan University, Institute of Finance and Accountancy, Hungary