00508naa#a2200169#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200010300108210005100211215001000262608002700272700002400299856001500323EN\INFRA-M\bibl\564020241015174958.2##a1998-0744##a20150417b2015####ek#y0engy0150####ca0#aRUS##aRU1#aOn Constructing the System of Elective Math Courses in Subject Oriented EducationeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2015##a9 с.##aJournal article2local#1aMardakhaevagElena 4#anaukaru.ru