00771naa#a2200205#i#450# EN\\bibl\128014 20260715153910.3 1994-4683 20230228b2023####ek#y0engy0150####ca RU METHODOLOGY FOR THE STUDY OF VOLUNTEERING AS A SOCIOCULTURAL AND PSYCHOLOGICAL PHENOMENON Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 7 с. Journal article local Прочие вопросы психологии. 159.99 Mlkeyan Liana Akopovna Rychkova Lydia Sergeevna Morozova Svetlana Vitalievna Koneva Oksana Borisovna uchzapiski.lesgaft.spb.ru