1. Ph.D., Professor, Department of Accounting and Audit, Faculty of Economic, Academician Y.A. Buketov Karaganda University
2. Ph.D., Associate Professor, Department of Economics and International Business, Faculty of Economic, Academician Y.A. Buketov Karaganda University
3. Ph.D., Assistant Professor, Department of Economics and International Business, Economic Faculty, Karaganda Buketov University, Kazakhstan