| 000 | 00386nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aUnited Nation Educational Scientific & Cultural Organization | ||
| 020 | _a92-3-101402-1 | ||
| 942 | _cBK | ||
| 245 | _aNew trends in biology teaching Vol. IV & II | ||
| 260 |
_aUnited Nations Educational Scientific and Cultural Organization, Paris _c1977 |
||
| 082 | _a574.07 Unes | ||
| 300 | _aix, 235pp | ||
| 999 |
_c5028 _d5028 |
||