00721naa#a2200169#i#450# EN\\bibl\128010 20260715145651.3 1994-4683 20230228b2023####ek#y0engy0150####ca RU IMPROVING SELF-ESTEEM IN ADOLESCENT ATHLETES AS A CONDITION FOR REDUCING THEIR COMPETITIVE ANXIETY Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 4 с. Journal article local Психологические исследования, опыты, эксперименты, тесты, измерения. 159.9.072 Glukhova T G uchzapiski.lesgaft.spb.ru