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_aLB 2369 _bG88 |
| 100 | 1 | _aGutiérrez Saenz, Raúl | |
| 245 | 1 | 0 | _aMetodología del trabajo intelectual |
| 250 | _a3a ed. | ||
| 260 |
_aMéxico : _bEsfinge, _c1973 |
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| 300 |
_a200 p. : _bil., retrs. ; _c20 cm. |
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_aTesis y disertaciones académicas - _xMetodología |
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| 700 | 1 | _aSánchez González, José, coaut. | |
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