| 000 | 004900000a22001570004500 | ||
|---|---|---|---|
| 008 | 140223b1977 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEng | ||
| 080 | _aTz7 L7 | ||
| 082 | _aTz7 L7 | ||
| 245 | _aAspects of educational technology ed by Philip Hills and John Gilbert. | ||
| 260 |
_bKogan Page _c1977 |
||
| 440 | _aSpread of Educational Technology, ed by REB. | ||
| 650 | _aEducation | ||
| 650 | _aEssays | ||
| 906 | _aAssociation for programmed learning and educational technology. | ||
| 999 |
_c103178 _d103178 |
||