| 000 | 00679nam a2200193 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160217.0 | ||
| 008 | 080926s1991 mx r 000 0 spa d | ||
| 035 | _aUPN01000161010 | ||
| 049 | _aUNE | ||
| 080 | _a371.67/. 68(100) =20 "1991" ENE. | ||
| 245 | 0 | 0 |
_aEnergy engineering : _bthe UNESCO learning package (an innovative approach to teaching) |
| 260 |
_aParis : _bUNESCO, _c1991 |
||
| 300 |
_a16 p. ; _bil. |
||
| 440 | 0 | _aSeries of learning materials in engineering sciences | |
| 690 | _aInnovaciones pedagogicas- Tecnologia educacional | ||
| 690 | _aTecnologia educacional- Ingenieria | ||
| 710 | 2 | _aUNESCO. Engineering and Technology Division. | |
| 905 | _aUNESCO | ||
| 999 |
_c133123 _d133123 |
||