| 000 | 00506nam a2200145Ia 4500 | ||
|---|---|---|---|
| 082 |
_a370.78 _bSCU |
||
| 100 |
_aSchramm, Wilbur _94114 |
||
| 245 |
_aUse of television in the El Salvador program of educational reform _b: differences between this project and some others _cWilbur Schramm |
||
| 260 |
_aWashington _bInformation centre on Instructional Technology _c1969 |
||
| 300 | _a23p. | ||
| 546 | _aeng | ||
| 650 |
_aEducational technology _924586 |
||
| 650 |
_aTelevision in education _924587 |
||
| 942 | _cBK | ||
| 999 |
_c30071 _d30071 |
||