000 00476nam a2200157Ia 4500
005 20260205063313.0
008 260111s9999||||xx |||||||||||||| ||und||
020 _a9780070655485
082 _a500 As36S
100 _aAshok Kumar Singh
245 0 _aScience & Technology for Civil Services Examination
260 _aChennai
_bMcGraw Hill Education Pub
_c2017
300 _a646p.
690 _aCompetitive Examination ;Civil Services ;Science and Technology
942 _cBK
999 _c183397
_d183397