| 000 | 00525nam#a2200193#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219162726.0 | ||
| 008 | 941205s1970 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aCampbell, Donald Thomas _98641 |
|
| 245 | _aDiseños experimentales y cuasiexperimentales en la investigación social | ||
| 260 |
_aBuenos Aires _b Amorrortu _c1970 |
||
| 300 |
_a158 p. _c19 cm. |
||
| 650 | 4 |
_aESTUDIOS _943582 |
|
| 650 | 4 |
_aINVESTIGACION SOCIAL _945102 |
|
| 942 | _cLIB | ||
| 942 | _z24831 | ||
| 999 |
_c75438 _d75438 |
||