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_aBCEG _bspa _cBCEG |
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| 100 | 1 | _aHeres Pulido, María Eugenia. | |
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_aSeminario de educación ambiental _c/ María Eugenia Heres Pulido. |
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_aMéxico : _bPublicaciones Cultural, _c2005. |
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| 300 |
_a247 p. : _bil. |
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| 650 | 1 | 4 |
_aEcología _xEnseñanza. |
| 650 | 1 | 4 | _aDesarrollo sustentable. |
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| 901 | _a20060612144344.0 | ||
| 942 | _cBK | ||
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_c2568 _d2568 |
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