| 000 | 00477nam a2200181Ia 4500 | ||
|---|---|---|---|
| 020 | _a0304323888 | ||
| 082 |
_a374.13 _bBOO |
||
| 100 |
_aBosworth, David P. _966818 |
||
| 245 |
_aOpen learning _cDavid P. Posworth |
||
| 260 |
_aLondon: _bCassell Education Limited, _c1991. |
||
| 300 | _avii, 167p. | ||
| 500 | _aIncludes index | ||
| 546 | _aeng | ||
| 650 |
_aOpen learning _9203168 |
||
| 650 |
_aDistance study _966820 |
||
| 650 |
_aDistance education _9203169 |
||
| 942 | _cBK | ||
| 999 |
_c81214 _d81214 |
||