000 00374pam a2200157 a 4500
020 _c
041 _aeng
082 _a600
_bSIN
100 _aASHOK SINGH.
245 _aScience & Technology
_hTextual Documents
250 _a2010.
260 _aNew Delhi
_bTata McGraw Hill
_c2010
300 _a646P.
653 _aTechnology, Civil Service, MPSC, UPSC,
930 _a11306
999 _c88209
_d88209