000 00355nam a2200133Ia 4500
020 _a9780070655485
040 _cCUS
082 _a351.076
_bSIN/S
245 0 _aScience & Technilogy for civil service s examinations/
_cSingh,Ashok Kumar
250 _a1st.ed.
260 _aNew Delhi:
_bTata Mcgrow hill pvt.ltd.,
_c2008.
300 _a646
942 _cGC16
999 _c170894
_d170894