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039 9 _a 200909161413
_b 952
_c 200601251837
_d 916
_y 200510101534
_z 965
040 _aUG-KaMUL
082 _a510.07
092 _a510.07 ASS
110 2 _aAssociation of Teachers of Mathematics, London.
245 1 4 _aThe Development of mathematical activity in children ; the place of the problem in this development :
_ba report prepared for the Sub-Comm ittee on mathematical Instruction of the British National Committee for mathematics /
_cResearch and Development Panel of the Association of Teachers of mathematics, 1966.
260 _aLondon :
_bAssociation of Teachers of Mathematics,
_c1966.
300 _a 7, 80 p. :
_b ill.;
_c 25 cm.
942 _2ddc
_cBK
999 _c126166
_d126166