000 00291nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aQA 135.6 .C 493 2003
100 _aCHAPIN, SUZANNE H.
245 0 _aCLASSROOM DISCUSSIONS: USING MATH TALK TO HELP STUDENTS LEARN, GRADES 1-6
942 _cBK
999 _c185176
_d185176