000 | 00380nam a2200145Ia 4500 | ||
---|---|---|---|
020 | _a9231011146 | ||
082 |
_a507 _bNEW |
||
245 |
_aNew trends in integrated science teaching _cedited by Richmond, P.E |
||
260 |
_aParis _bUnesco _c1977 |
||
300 | _bvolume II | ||
546 | _aeng. | ||
650 |
_aScience-Study and teaching _914717 |
||
700 |
_aRichmond, P.E. _914718 |
||
942 | _cBK | ||
999 |
_c20318 _d20318 |