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| 005 | 20211026114436.0 | ||
| 008 | 211021b ||||| |||| 00| 0 eng d | ||
| 040 | _cK L MEHTA | ||
| 082 | _a507.1242 K95T | ||
| 100 | _a Kulshreshta Arun Kumar | ||
| 245 |
_aTeaching of Science _hHindi |
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| 260 |
_aMeerut _bR. Lal _c2011 |
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| 300 | _a612 | ||
| 650 | _2Knowledge and its extension | ||
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_2ddc _cBK _e19th _k507.1242 _mK95T |
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