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| 020 | _a9789390511563 | ||
| 020 | _qpbk | ||
| 082 |
_a351.076 _bDIS. V.4 |
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| 100 | _aPathak, Ravi | ||
| 245 | 0 | _aScience and technology : for UPSC and state PSC civil services exams | |
| 260 |
_aNew Delhi _bDisha Publication _c[2024] |
||
| 300 | _a[vii], 340 [P1-24]p. ; 24cm. | ||
| 653 | _aCompetitive Exams | ||
| 653 | _aScience | ||
| 653 | _aTechnology | ||
| 942 | _cBK | ||
| 999 |
_c52586 _d52586 |
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