- Bulgarian Academy of Sciences
- Union of Scientists in Bulgaria
- Science & Education Foundation, Bulgaria
- VUZF University, Bulgaria
- Sapporo University, Japan
- 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 Military Leadership, University of Defence, Czech Republic
- Institute of Philosophy and Social and Political Studies of the Southern Federal University, Russia