00578naa#a2200169#i#450# EN\INFRA-M\bibl\34444 20260119232613.1 2306-1731 20191225b2019####ek#y0engy0150####ca RU Basic Methodological Approaches to the Study of Personality Direction on Volunteer Activity Journal article Moscow INFRA-M Academic Publishing LLC. 2019 2 с. Journal article local Статистика. Демография. Социология. 31 Ishkova E. V. zh-szf.ru