000 00316 a2200109 4500
020 _a9789364445931
100 _aRavi P. Agrahari
245 _aCourseware on Science & Technology for UPSC & state civil service examinations
250 _a9th
260 _bMcGraw Hill Education (India) pvt. ltd.
_c2026
942 _cOO
999 _c116272
_d116271