| 000 | 00338nam a2200133Ia 4500 | ||
|---|---|---|---|
| 082 |
_a300.72 _bBLO |
||
| 245 | _aBlock 5 Classification and measurement | ||
| 260 |
_aMilton Keynes: _bThe Open University, _c1979. |
||
| 300 | _b164p. | ||
| 500 | _aPB | ||
| 546 | _aEng | ||
| 650 |
_aSocial science-Research-Methodology _9103763 |
||
| 942 | _cBK | ||
| 999 |
_c72514 _d72514 |
||