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_a338.972 _bBAL 1989 |
| 100 | 1 | _aBallesteros, Carlos | |
| 245 | 1 | 3 |
_aLa promoción estatal de la tecnología _cCarlos Ballesteros |
| 264 |
_aMéxico _bUNAM _c1989 |
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| 300 | _a77 p. | ||
| 650 | 1 | 4 | _aTecnología - México |
| 650 | 2 | 4 | _aCondiciones económicas - México |
| 905 | _aLibros | ||
| 944 | _aGLOBAL | ||
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| 950 | _c20021023 | ||
| 950 | _c20030805 | ||
| 950 | _c20060109 | ||
| 950 | _c20111027 | ||
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