| 000 | 00518nam a2200193Ia 4500 | ||
|---|---|---|---|
| 005 | 20250508161546.0 | ||
| 008 | 008 250505s9999 xx 000 0 eng d | ||
| 037 | _aTextual | ||
| 040 |
_aFEDL _beng _cFEDL |
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| 041 |
_aeng _2eng |
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| 084 |
_a574, NCE _qFEDL |
||
| 245 | 0 | _aImproving instruction in biology | |
| 245 | 0 | _cNational Council of Educational Research and Training | |
| 260 | _c1969 | ||
| 300 | _aix,77p. | ||
| 650 | _aBiology | ||
| 942 |
_cTEXL _h574, NCE |
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| 999 |
_c1370777 _d1370777 |
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