LDR 00511naa#a2200169#i#450#
001     EN\INFRA-M\bibl\3228
005     20240703132853.3
011 ## _a1998-0744
100 ## _a20140617b2014####ek#y0engy0150####ca
101 0# _aRUS
102 ## _aRU
200 1# _aPlotting a Trajectory for Modern Natural and Mathematical Education at Middle School
       _eJournal article
210 1# _aMoscow
       _cINFRA-M Academic Publishing LLC.
       _d2014
215 ## _a7 с.
608 ## _aJournal article
       _2local
700 #1 _aTsvetkova
       _gMarina S.
856 4# _azh-szf.ru
       _u