LDR 00521naa#a2200169#i#450#
001     EN\INFRA-M\bibl\15333
005     20241123214156.6
011 ## _a1998-1740
100 ## _a20170222b2017####ek#y0engy0150####ca
101 0# _aRUS
102 ## _aRU
200 1# _aAssessment of the Level of Abstractness of Material Statement of in Natural Sciences School Textbooks
       _eJournal article
210 1# _aMoscow
       _cINFRA-M Academic Publishing LLC.
       _d2017
215 ## _a5 с.
608 ## _aJournal article
       _2local
700 #1 _aMayer
       _gR. V.
856 4# _azh-szf.ru
       _u