00571naa#a2200181#i#450# EN\INFRA-M\bibl\30630 20240502152301.4 2306-1731 20190924b2019####ek#y0engy0150####ca RUS RU Leadership: Key Challenges and Methods of Development Journal article Moscow INFRA-M Academic Publishing LLC. 2019 12 с. Journal article local Статистика. Демография. Социология. 31 RUS Vinogradova N. S. naukaru.ru