000 00584nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aMATH QA11.074
110 1 0 _aOrganisation for Economic Co-operation and Development
_eAuthor
245 1 0 _aNew thinking in schools mathematics
_cOrganisation for Economic Co-operation and Development
260 _aParis
_bOrganisation for Economic Co-operation and Development
_c1961
300 _a246p.
_c24cm.
504 _aIncludes bibliography
650 _aMathematics
650 _aStudy and teaching
942 _2lcc
_cBK
999 _c68797
_d68797