00501naa#a2200157#i#450# EN\\bibl\41606 20240503104449.5 2500-3372 20201231b2020####ek#y0engy0150####ca RU Effect of Economic and Demographic Factors on the Demand for Higher Education Services Journal article Kemerovo Kemerovo State University 2020 8 с. Journal article local Dorofeeva Tatyana Pavlovna vestnik-pses.kemsu.ru