| 000 | 00317nam a2200121Ia 4500 | ||
|---|---|---|---|
| 082 |
_a300.72 _bBLO |
||
| 245 | _aBlock 4 data collection procedure | ||
| 260 |
_aWalton Hall, Milton Keynes _bThe Open University Press _c1979 |
||
| 300 | _b179p | ||
| 546 | _aeng | ||
| 650 |
_aSocial science-Research _9103757 |
||
| 942 | _cBK | ||
| 999 |
_c72509 _d72509 |
||