| 000 | 00373nam a2200145Ia 4500 | ||
|---|---|---|---|
| 700 | _aBaggaley, Jon | ||
| 100 | _aBaggaley, Jon | ||
| 020 | _a0 273 00422 0 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aAspects of educational technology; Vol VIII _bCommunication and learning |
||
| 260 |
_aLondon _bPitman Publishing _c1975 |
||
| 082 | _a371.394 | ||
| 300 |
_c23.5cm _ax 371 |
||
| 999 |
_c345351 _d345351 |
||
| 041 | _aeng | ||