| 000 | 00383nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 131111s9999 xx 000 0 und d | ||
| 100 | _aBentley,Di | ||
| 245 | _aLearning & teaching in school science: Practical alternative | ||
| 260 | _aNew Delhi | ||
| 260 | _bOpen Univ. | ||
| 260 | _c1985 | ||
| 300 | _a202p. | ||
| 650 |
_aLearning _aTeaching |
||
| 763 | _a10722 | ||
| 942 | 0 | 0 | _01 |
| 999 |
_c51790 _d51790 |
||