000 00432nam#a2200169ua#4500
001 GOACATREC31863
900 0 0 _a19990901
901 0 0 _aENG
903 0 0 _a2578
245 0 0 _aMathematics To-Day : A Guide for Teachers
110 0 0 _aOrganisation for Economic Co-operation and Development
440 0 0 _aNew Thinking in School Science 4
902 0 0 _a510
650 0 0 _aMathematics
650 0 0 _aTeaching Mathematics
260 0 0 _c1964
999 _c31867
_d31867