00646naa#a2200169#i#450# EN\\bibl\111774 20260115090215.4 1994-4683 20250913b2025####ek#y0engy0150####ca RU The effectiveness of using complex coordination strikes in competitive matches by 12-14 year old taekwondo athletes Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 3 с. Journal article local Таеквон-до. 796.856.2 Alekhin Leonid Dmitrievich uchzapiski.lesgaft.spb.ru