| 000 | 00404nam a2200169Ia 4500 | ||
|---|---|---|---|
| 005 | 20250619145005.0 | ||
| 008 | 250619s9999||||xx |||||||||||||| ||und|| | ||
| 020 |
_a9231014234 _cF 36 |
||
| 040 | _aMAIN | ||
| 041 | _aEnglish | ||
| 082 |
_a330 _bECO |
||
| 245 | 4 | _aThe economics of new educational media | |
| 260 |
_aParis _b; Unesco _c, 1977 |
||
| 300 | _a200p. | ||
| 650 | _aEconomics | ||
| 942 | _cBK | ||
| 999 |
_c118069 _d118069 |
||