00564nam a22001577a 450000500170000002000270001703500130004403700080005708200080006524501400007326000320021327000880024530000320033370000190036570000220038420170519100327.0  a9789352603466c1595.00  aB-669763  bBSB  a000  aGeneral studies (GS paper-1): bfor civil services preliminary examination 2017/ccordinatoars by Surender Singh [and] Virender Parmar   aChennai bMcGraw Hillc2017  a444/1, Sri Ekambara Naicker Industrial Estate, Alapakkam, Porur, bChennai e600116  avarious pagings c25cm(pbk)  aSurender Singh  aParmar, Virender