| 000 | 00347nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220119s9999||||xx |||||||||||||| ||und|| | ||
| 040 | _cIAB | ||
| 082 | _a507 AND | ||
| 100 | _aAndersen,Hans O. | ||
| 245 | 0 | _aToward More Effective Science Instruction In Secondary | |
| 260 |
_bMacmillan Publishing Co. _c1972 |
||
| 300 | _a241 P. | ||
| 942 | _cBOOK | ||
| 999 |
_c46302 _d46302 |
||