| 000 | 00428nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 211215b1969 |||||||| |||| 00| 0 eng d | ||
| 082 |
_a370.78 _bDUN |
||
| 110 | _aDunn, W.R. | ||
| 245 | _aAspects of Educational technology. | ||
| 260 |
_aLondon : _bMethuen & co, _c1969. |
||
| 300 |
_aix, 671p. ; _b2v. _c23 cm |
||
| 650 | _aEducational technology. | ||
| 710 | _aHorden, R. | ||
| 710 | _aPinkerton, Gillian R. | ||
| 942 | _cBK | ||
| 999 |
_c269625 _d269625 |
||