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|a Sistema Bibliotecario Universidad de El Salvador
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|a Vásquez Torre, Guadalupe Ana María
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|a Ecología y formación ambiental /
|c Guadalupe Ana María Vásquez Torre ; revisora técnica: Ma. Luisa Sevilla Hernández
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| 250 |
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|a 2a ed.
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| 260 |
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|a México, D. F. :
|b McGraw-Hill,
|c c2001
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| 300 |
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|a 342 p. :
|b il. ;
|c 28 cm.
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| 500 |
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|a bibliografía: p. 298-303
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| 650 |
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7 |
|a Biología
|2 LEMB
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| 650 |
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7 |
|a Ecosistemas
|2 LEMB
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| 650 |
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7 |
|a Recursos naturales
|2 LEMB
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| 700 |
1 |
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|a Sevilla Hernández, Ma. Luisa
|e rev. téc.
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