000 00342nam a22001337a 4500
008 171221b xxu||||| |||| 00| 0 eng d
020 _a2900873535372
041 _aeng
080 _a37
100 _a46
101 _aEDU
245 _aA RESEARCH COMPANION TO PRINCIPLES AND STANDARTS FOR SCHOOL MATHEMATICS
_cKILPATRICK,J
942 _2udc
_cBK
999 _c39283
_d39283