| 000 | 01076cam a2200289 a 4500 | ||
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| 001 | 3677023 | ||
| 005 | 20130515014159.0 | ||
| 008 | 771107m19771982fr b i000 0 eng | ||
| 010 | _a 77557780 | ||
| 020 | _a9231014234 (pbk. : v. 1) | ||
| 020 | _z9231016938 (pbk. : v. 2) | ||
| 040 |
_aDLC _cDLC _dDLC |
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| 050 | 0 | 0 |
_aLB1028.3 _b.E27 |
| 082 | 0 | 0 | _219 |
| 245 | 0 | 4 | _aThe Economics of new educational media. |
| 260 |
_aParis : _bUnesco, _c1977-1982. |
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| 300 |
_a3 v. ; _c23 cm. |
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| 440 | 0 |
_aEducational methods and techniques ; _v1 _97456 |
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| 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. | |
| 650 | 0 |
_aEducational technology. _96065 |
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| 710 | 2 |
_aUnesco. _91040 |
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| 710 | 2 |
_aInternational Council for Educational Media. _97457 |
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| 906 |
_a7 _bcbc _corignew _d2 _encip _f19 _gy-gencatlg |
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| 942 |
_2lcc _cBK _hLB1028.3 |
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| 999 |
_c15397 _d15397 |
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