000 00445nam a2200157Ia 4500
005 20250902155401.0
008 250902s2017||||xx |||||||||||||| ||eng||
020 _a9780070655485
082 _a500 SIN
100 _aSingh Ashok Kumar
245 0 _aScience and Technology: for civil service examinations
260 _bMcGraw Hill Education India Pvt. Ltd.
_aChennai
_c2017
300 _a646
650 _ascience and technology
942 _cCB
999 _c114828
_d114828