000 00725cam-a2200289-a-4500
001 000072651
005 20241013183842.0
008 940622t19731973xxu r 000 0 eng d
035 _a071407
035 _a073079 (baja)
035 _aUIA0072651
040 _aUIASF
_cUIASF
041 0 _aENG
050 4 _aLB 1585
_bB83
100 _aButts, David P
245 1 0 _aTeaching science in the elementary school /
_cDavid P. Butts
260 _aNew York :
_bThe Free Press,
_cc1973
300 _a199 p. ;
_c22 cm
650 0 _aCiencia.
_xEstudio y enseƱanza (Elemental)
905 _a01
942 1 _cNEWBFXC1
999 _c71676
_d71676
980 _8126340
_g ADMIN1
003 MX-MxUI