LDR 00627naa#a2200181#i#450# 001 EN\\bibl\44175 005 20241105122814.2 011 ## _a2542-1840 100 ## _a20210519b2021####ek#y0engy0150####ca 102 ## _aRU 200 1# _aDevelopment of Motivation Sphere in 14- and 15-Year-Olds _eJournal article 210 1# _aKemerovo _cKemerovo State University _d2021 215 ## _a9 с. 608 ## _aJournal article _2local 675 ## _aОбразование. Воспитание. Обучение. Организация досуга. 37 _z 700 #1 _aMikhailova _gMargarita Samandarovna 700 #1 _aShamovskaya _gTatiana V. 856 4# _ajsocnet.ru _u