00513nam a22001577a 450000500170000001000130001702000260003003500130005603700230006908200080009210000190010024501300011926000400024927000440028930000220033320221012111654.0  aB-745945  a9789352667710c250.00  aB-745945  bPrabhat Paperbacks  a000  aUdaybhan Singh  aObjective Economic & Social Development:bpaper-1 general studies for civil services preliminary examination/cUdaybhan Singh  aNew DelhibPrabhat Paperbacksc2018  a4/19 Asaf Ali Road, bNew Delhie110092  a293p.c24cm (pbk)