| 000 | 00545nam a22002057a 4500 | ||
|---|---|---|---|
| 999 |
_c60386 _d60386 |
||
| 003 | OSt | ||
| 005 | 20190701211618.0 | ||
| 008 | 190114b ||||| |||| 00| 0 eng d | ||
| 040 |
_aOSt _beng _cOSt _dOSt |
||
| 082 | _a507 / U3n | ||
| 110 |
_aUnesco _937021 |
||
| 245 | _a New trends in integrated science teaching. | ||
| 260 |
_aParis : _bUnesco, _cc 1971. |
||
| 300 |
_aVols. : _bill. ; _c27 cm. |
||
| 490 | _aThe teaching of basic sciences. | ||
| 505 | _aV. 1- (1969-70) ; | ||
| 508 | _a333 | ||
| 650 |
_aTeaching. _966175 |
||
| 942 |
_2ddc _cBK |
||