| 000 | 00443nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 231217s9999 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 |
_a510.78 _bWAC |
||
| 100 | _aWalker, Decker F. | ||
| 245 | 0 |
_aIntructional softwar _bprinciples and perspectives for design and use |
|
| 260 |
_aBelmont _bWadsworth Publishing _c1984 |
||
| 650 | _aComputer assisted instruction-computer programs-Addresses, essays , lectures | ||
| 942 | _cBK | ||
| 999 |
_c11090 _d11090 |
||