| 000 | 00433nam a2200157Ia 4500 | ||
|---|---|---|---|
| 082 |
_a378.03 _bPET |
||
| 100 |
_aPerraton, Hilary _945658 |
||
| 245 |
_aThe techniques of writing correspondence courses _cHilary Perraton |
||
| 260 |
_aCambridge: _bInternational Exstension College _c1973. |
||
| 300 | _b50p. | ||
| 500 | _aPB | ||
| 546 | _aEng | ||
| 650 |
_aDistance education _9167419 |
||
| 700 |
_aPerraton, Hilary _945658 |
||
| 942 | _cBK | ||
| 999 |
_c9513 _d9513 |
||