| 000 | 00329cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1973 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP413 R415 | ||
| 245 |
_aNew Trends in intregated science teaching _cedited by Richmond P.E. |
||
| 260 |
_aParis _bUNESCO _c1973 |
||
| 300 | _a239p | ||
| 500 | _a2v. | ||
| 700 | _aP.E. Richmond, ed | ||
| 999 |
_c495403 _d495403 |
||