| 000 | 00361 a a2200145 04500 | ||
|---|---|---|---|
| 001 | 24617 | ||
| 003 | |||
| 040 | _a | ||
| 020 | _a92-3-101892-2 | ||
| 090 | _a169600 | ||
| 110 | _aUNESCO | ||
| 245 | _aSocio - economic indicators planning: methodological aspects and selected examples | ||
| 260 |
_aParís: _bUNESCO |
||
| 300 |
_a122 p _b**no definido** _bil. |
||
| 999 |
_c4641 _d4641 |
||