00806naa#a2200193#i#450# EN\\bibl\125387 20260708005112.3 1994-4683 20260707b2026####ek#y0engy0150####ca RU The correlation between areas of socially significant activity and the viability of youth Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2026 8 с. Journal article local Психологические исследования, опыты, эксперименты, тесты, измерения. 159.9.072 Mlkeyan Liana Akopovna Rychkova Lidiya Sergeevna Koneva Oksana Borisovna uchzapiski.lesgaft.spb.ru