| 000 | 00684nam a2200205 i 4500 | ||
|---|---|---|---|
| 001 | CSIC000842737 | ||
| 003 | ES-ArAOG | ||
| 005 | 20140619135522.0 | ||
| 008 | 990915s1991 arg 000 0 spa d | ||
| 020 | _a950518042X | ||
| 040 |
_aES-MaCSI _bspa _cAOGC |
||
| 100 | 1 |
_aCampbell, Donald T. _99309 |
|
| 245 | 1 | 0 |
_aDiseños experimentales y cuasiexperimentales en la investigación social / _cDonald T. Campbell, Julian C. Stanley. |
| 260 |
_aBuenos Aires : _bAmorrortu, _c1991. |
||
| 300 |
_a158 p. ; _c20 cm. |
||
| 650 | 4 |
_aCiencias sociales _xInvestigación. _99310 |
|
| 700 | 1 |
_aStanley, Julian C. _99311 |
|
| 942 |
_2udc _cBK |
||
| 999 |
_c12846 _d12849 |
||