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050 | 0 | 4 |
_aH 62 _bG6 1993 |
100 | 1 | _aGomezjara, Francisco | |
245 | 1 | 3 | _aEl Diseño de la investigación social |
250 | _a9a ed. | ||
260 |
_aMéxico : _bFontamara, _c1979 |
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300 | _a359 p. , 20 cm. | ||
440 | 0 |
_aRompan filas ; _v1 |
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650 | 4 |
_aCiencias sociales - _xInvestigación |
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