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_aFrigerio, Rogelio _94228 |
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_aCiencia, tecnología y futuro : _bcamino nacional al siglo XXI. |
| 250 | _a1a ed. | ||
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_aBuenos Aires : _bSielp, _c1987. |
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| 300 | _a176 p. | ||
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_aCiencia _2Macrothesaurus |
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_aLiberalismo _2Macrothesaurus |
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_aSiglo veintiuno _2Macrothesaurus _945374 |
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_aTecnología _2Macrothesaurus |
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_aTexto _924088 |
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