| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c125735 _d125735 |
||
| 008 | 220321b xxu||||| |||| 00| 0 eng d | ||
| 050 |
_aGE70 _b.R69 1994 |
||
| 100 |
_aRowntree, Derek _97813 |
||
| 245 |
_aPreparing materials for open, distance and flexible learning _b/ An action guide for teachers and trainers |
||
| 260 |
_aLondon _bOpen distance learning series _cc1994. |
||