000 00714cam-a2200253-a-4500
001 000072692
005 20240105133450.0
008 940624s1964 xxu r 000 0 eng d
035 _a029105
035 _aUIA0072692
040 _aUIASF
_cUIASF
041 0 _aENG
050 4 _aLB 1645
_bU5
100 _aEstados Unidos
_bOffice of Education and Welfare
245 1 0 _aInservice mathematics education ;
_bpromising practices for elementary and secondary school teachers
260 _aWashington, D.C. :
_bGovernment Printing Office,
_c1964
300 _a129 p. ;
_c23 cm
650 0 _aEducaciĆ³n secundaria.
905 _a01
942 1 _cNEWBFXC1
999 _c71716
_d71716
980 _851
_gRonald RUIZ