LDR 00560naa#a2200169#i#450#
001     EN\\bibl\18730
005     20240809102152.5
011 ## _a2541-822X
100 ## _a20171228b2017####ek#y0engy0150####ca
101 0# _aRUS
102 ## _aRU
200 1# _aTECHNIQUES OF SYSTEM-ACTIVITY APPROACH IN SECONDARY SCHOOL
       _eJournal article
210 1# _aCheboksary
       _cNon-state educational private institution of additional professional education "Expert-methodological centre"
       _d2017
215 ## _a2 с.
608 ## _aJournal article
       _2local
700 #1 _aKovalchuk
       _gElena V.
856 4# _anaukaru.ru
       _u