| 000 | 00819nam a2200193 a 4500 | ||
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| 005 | 20240924064029.0 | ||
| 008 | 080513s1971 ea r 000 0 eng d | ||
| 035 | _aUPN01000155875 | ||
| 049 | _aCG | ||
| 050 | 4 |
_aBF76.5 _bI8.3 |
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| 100 | 1 |
_aIsaac, Stephen, _d1925- _938334 |
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| 245 | 1 | 0 |
_aHandbook in research and evaluation : _ba collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences / _cStephen Isaac ; colab. William B. Michael. |
| 260 |
_aSan Diego California, E.U.A. : _bRobert R. Knapp, _cc1971. |
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| 300 |
_a186 p. : _bgráfs., tablas |
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| 650 | 2 |
_aInvestigacion psicológica _915795 |
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| 650 | 4 |
_aEducación _xInvestigación _94070 |
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| 700 | 1 |
_aMichael, William Burton, _d1922-2004 _ecoaut. _929265 |
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| 905 | _aLibro | ||
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_c127989 _d127989 |
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