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| 008 | 991125s1976 fr 000 0 eng u | ||
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| 035 | _aUPN01000031471 | ||
| 049 | _aUNE | ||
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_aLB1585 _bB3.3 |
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_aBaez, Albert Vinicio, _d1912-2007 _938847 |
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_aInnovation in science education-world-wide / _cAlbert V. Baez. |
| 260 |
_aParís : _bUNESCO, _c1976. |
||
| 300 | _a249 p. | ||
| 650 | 4 |
_aCiencia _xEstudio y enseñanza _96354 |
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| 650 | 4 |
_aInnovaciones educativas _9386 |
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| 905 | _aLibro | ||
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_c31471 _d31471 |
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