| 000 | 00381nam a2200145Ia 4500 | ||
|---|---|---|---|
| 700 | _aYelon, Stephen L. | ||
| 700 | _aAlexander, Lawrence T. | ||
| 100 | _aDavis, Robert H. | ||
| 020 | _a0-07-074334-7 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aLearning system design _ban approach to the inprovement of instruction |
||
| 260 |
_aNew York _bMcGraw Hill _c1974 |
||
| 082 | _a371.3 | ||
| 999 |
_c413338 _d413338 |
||
| 041 | _aeng | ||