000 00333nam a2200121 a 4500
005 20210219152800.0
008 991125n eua 000 0 eng u
035 _aUPN01000061039
245 0 0 _aMATHEMATICS EDUCATION DIALOGUES
260 _aEUA :
_bNational Council of Teachers of Mathematics
310 _aIrregular
905 _aRevista
999 _c60713
_d60713