00720naa#a2200193#i#4500001001500000005001700015011001400032100004100046102000700087200011500094210004600209215001100255608002700266675010800293700003100401700003600432700003700468856002100505EN\\bibl\4417620240429183027.1##a2542-1840##a20210519b2021####ek#y0engy0150####ca##aRU1#aExtracurricular Activities as a Condition for the Intellectual Development of Young TeenagerseJournal article1#aKemerovocKemerovo State Universityd2021##a10 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37#1aMichurinagElena Sergeevna#1aKozhevnikovagElvira Eduardovna#1aTuzhilkingSergey Aleksandrovich4#ajcenter.kemsu.ru