000 00495nam a22001697a 4500
999 _c40606
_d40606
003 OSt
005 20210127143253.0
008 191014b ||||| |||| 00| 0 eng d
020 _a9789386668875
040 _coclc
082 _a501
_bCEN/S
100 _98377
_aCengage
245 _aScience And Technology For UPSC and State Civil Services Examinations /
_cCengage
260 _aDelhi:
_bCengage,
_c2019.
300 _a233p
942 _2ddc
_cREF
_h501
_iCEN/S
_k501
_mCEN/S