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| 020 | _a9688047732 | ||
| 082 | 0 | 4 |
_a001.42 _bMET 1981 |
| 245 | 0 | 0 | _aMetodología de la investigación |
| 264 |
_aMéxico _bUniversidad Pedagógica nacional _c1981 |
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| 300 |
_a2 volumenes _bilustraciones _c26 cm. |
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| 504 | _aIncluye: Bibliografía p. [238]-243 | ||
| 650 | 4 | _aMetodología | |
| 905 | _aLibros | ||
| 944 | _aGLOBAL | ||
| 950 | _c20000814 | ||
| 950 | _c20021023 | ||
| 950 | _c20050520 | ||
| 950 | _c20050520 | ||
| 950 | _c20060109 | ||
| 950 | _c20111027 | ||
| 950 | _c20220119 | ||
| 950 | _c20230914 | ||
| 999 |
_c134558 _d134558 |
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