000 nam a22 7a 4500
999 _c104294
_d104293
005 20200131095545.0
008 200129b ||||| |||| 00| 0 eng d
020 _a9789353160227
080 _a(079.1):35.08:5+6
_bGUR/E R
100 _aGurbinder Kaur
245 _aEsencia Science & technology
_bfor civil services and other competitive examination
260 _aChennai
_bMc graw hill education
_c2019
300 _axvi, 520p.
653 _aScience and technology - civil service examination
653 _aScience and technology - competitive examination
700 _aSidhu, H. S
942 _cREF