| 000 | 00476nam a22001337a 4500 | ||
|---|---|---|---|
| 020 | _a0273314106 | ||
| 041 | _aeng | ||
| 082 | _a371.3028 ASP | ||
| 100 | _a | ||
| 245 |
_aAspects of educational technology _cEdited for the Association for Programmed Learning and Educational Technology by A.C Bajpai and J.F Leedham. |
||
| 260 |
_bPitman Publishing, _aLondon: _c1970. |
||
| 300 |
_av.:illustrations; _c25cm. |
||
| 942 | _cBK | ||
| 999 |
_c149594 _d149594 |
||