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005 | 20241013183842.0 | ||
008 | 940622t19731973xxu r 000 0 eng d | ||
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_aUIASF _cUIASF |
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050 | 4 |
_aLB 1585 _bB83 |
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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) |
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