00363nam a22001217a 4500020001800000082001400018245007300032260003600105300002600141650001300167650002700180650003400207  a9781259064371  a001 bGEN  aGeneral studies for civil services preliminary examination:bPaper 1  aNew Delhi:bMcGraw Hill,c2014.  aVarying Pages;b30cm.  aIAS Exam  aIAS Exam General Paper  aGeneral Knowledge and Science