| 000 | 00498nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 210719s1984 xx 000 0 und d | ||
| 020 | _a0534014593 | ||
| 041 | _aeng | ||
| 082 | _a370.285 WALI | ||
| 100 | _aWALKER (Decker F) and HESS (Robert D) | ||
| 245 | _aInstructional software: principles and perspectives for design and use. | ||
| 260 |
_aCalifornia. _bWadsworth Publishing Company., _c1984 |
||
| 300 |
_axi,308 _bPB |
||
| 365 | _cRs | ||
| 650 | _aEducation | ||
| 906 | _aSoftware Design | ||
| 999 |
_c212393 _d212393 |
||