000 00288nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aMathematics Teacher
260 _aNational Council of Teachers of Mathematics
_bReston
_c1 Jan-30 Apr,2000
362 _a93-93
_b01-Apr
942 _2ddc
_cJ
999 _c188722
_d188722