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_a370.72 _bC737e 2a.ed |
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_aCreswell, John W. _917235 |
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_aEducational research: _bplanning, conducting, and evaluating quantitative and qualitative research/ _cJohn W. Creswell |
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| 250 | 4 | _a2 | |
| 260 | 4 |
_aUpper Saddle River: _bPearson _c2005 |
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| 300 | 4 | _a623 p. | |
| 504 | 4 | _aIncluye bibliografía e índice p. 601 | |
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_927981 _aEDUCACIÓN _zINVESTIGACIONES |
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