| 000 | 00991cam a2200253 a 4500 | ||
|---|---|---|---|
| 005 | 20181210002843.0 | ||
| 008 | 771107s1977 fr b i000 0 eng | ||
| 020 |
_a9231014234 _z9231016938 (pbk. : v. 2) |
||
| 040 |
_aLC _beng _cLC _dBD-DhBPA |
||
| 082 |
_a371.3 _bUNE 1977 |
||
| 245 | 0 | 4 | _aThe Economics of new educational media. |
| 260 |
_aParis : _bUnesco, _c1977. |
||
| 300 |
_a3 v. ; _c23 cm. |
||
| 490 | 1 |
_aEducational methods and techniques ; _v1-3 |
|
| 500 | _a"Prepared with the assistance of the International Council for Educational Media." | ||
| 504 | _aIncludes bibliographies. | ||
| 505 | 0 | _av. 1. Present status of research and trends -- v. 2. Cost and effectiveness -- v. 3. Cost and effectiveness overview and synthesis. | |
| 590 | _amizan | ||
| 650 | 0 |
_aEducational technology. _948830 |
|
| 710 | 2 |
_aUnesco. _948831 |
|
| 710 | 2 |
_aInternational Council for Educational Media. _948832 |
|
| 830 | 0 |
_aEducational methods and techniques ; _v1-3. _948833 |
|
| 942 |
_2ddc _cBK |
||
| 999 |
_c16679 _d16679 |
||