000 00447nam a22001697a 4500
003 BD-ChCU
005 20260405112841.0
008 260405b bg ||||| |||| 00| 0 ben d
040 _cBD-ChCU
082 _a510.7 TEA
100 _aNCTM
_921145
245 _aThe teaching of secondary matematics ;thirty -third yearbook /
_cNCTM
260 _aWashington:
_bNCTM,
_c1970
300 _a422p.
650 0 _aMathemetics
_921148
942 _2ddc
_cBK
_n0
999 _c112042
_d112042