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| 008 | 220913b ||||| |||| 00| 0 eng d | ||
| 020 | _a8174573526 | ||
| 100 | _a Sood J . K . | ||
| 245 | _aTeaching of Science | ||
| 260 |
_aAgra _bVinod Pustak Mandir |
||
| 300 |
_aPage No.348 _bPB |
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| 650 | _2India Science | ||
| 942 |
_2ddc _cBK |
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| 999 |
_c2020 _d2020 |
||