1. Department of Mathematical Methods in Economics, Tashkent State University of Economics, Uzbekistan
2. Department of Economic, Karakalpak state university, Uzbekistan
3. Department of Algorithmization and programming technologies, Karakalpak state university, Uzbekistan
4. Department of Management, Karakalpak state university, Uzbekistan
5. Department of Mathematical Methods in Economics, Kalmyk State University, Russia