00680naa#a2200193#i#4500001001500000003001700015005001700032011001400049100004100063102000700104200007800111210004600189215001000235608002700245675010800272700003900380700002800419856003900447EN\\bibl\44175/en/manage/index20241113133833.3##a2542-1840##a20210519b2021####ek#y0engy0150####ca##aRU1#aDevelopment of Motivation Sphere in 14- and 15-Year-OldseJournal article1#aKemerovocKemerovo State Universityd2021##a9 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37#1aMikhailovagMargarita Samandarovna#1aShamovskayagTatiana V.4#atest.editorum.ruu/en/manage/index