00738naa#a2200193#i#450# EN\\bibl\119209 20260527091312.3 1994-4683 20260526b2026####ek#y0engy0150####ca RU Fostering a habit of systematic physical activity in schoolchildren within modern educational organizations Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2026 7 с. Journal article local физической культуре. 372.879.6 Yaroshinskaya Alevtina Pavlovna Karpenko Viktoriya Nikolaevna Ermolina N V uchzapiski.lesgaft.spb.ru