000 00294nam a2200133Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aJournal for Research in Mathematics Education
260 _aNCTM
_c1 Jul-31 Dec,2010
362 _a41-41
_b04-May
700 _aDr. Reston
942 _2ddc
_cJ
999 _c183721
_d183721