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020 _cRS325.00 (pbk)
040 _aMAIN
041 1 _aeng
_hNULL
082 1 4 _a351.076
_bSIN/S
100 1 _aSingh, Ashok Kumar.
245 0 0 _aScience and technology : for civil services examinations /
_cDirector by Ashok Kumar Singh.
250 _a /
_b.
260 _aNew Delhi :
_bTata McGraw Hill Education ,
_c2011.
300 _aviii, 646p. :
_bill.,fig ;
_c22cm
_ecm .
365 _aRS325.00
440 0 _aTata McGraw-hills series,
_vNULL
_xNULL;
490 0 _aTata McGraw-hills series,
_vNULL
_xNULL;
504 _aNULL
653 0 _aCIVIL SERVICES EXAMINATION-GUIDE BOOK
942 _cBK
999 _c42959
_d42959