| 000 | 00494 a2200169 4500 | ||
|---|---|---|---|
| 007 | paper bound | ||
| 008 | 100922t xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9780395307908 | ||
| 082 |
_222 _a300.72 _bCO-Q |
||
| 100 | _aCook, Thomas D | ||
| 100 | _aCampbell, Donald T | ||
| 245 |
_aQuasi experimentation _bdesign & analysis issues for field settings |
||
| 260 |
_bHoughton Mifflin _c1979 _aBoston |
||
| 300 | _axii,404p. | ||
| 942 |
_cBK _2ddc |
||
| 999 |
_c7346 _d7346 |
||