| 000 | 00353nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 190710s9999 xx 000 0 und d | ||
| 082 | _a311.24 C77 | ||
| 100 | _aCook, Thomas D | ||
| 245 | 0 | _aQuasi - experimentation : design and analysis issues for field settings | |
| 260 |
_aChicago _bPand McNally College Pub _c1979 |
||
| 300 | _axii,405 | ||
| 942 | _cBK | ||
| 999 |
_c14194 _d14194 |
||