00354nam a2200133 a 450000500170000008200180001710000150003524500550005026000340010530000210013963000310016063000130019163000160020420251203110943.0  a35107638bKOL  aKoli, L.N.  aUpkar's civil services preliminary exambcommerece  aAgrabUpkar Prakashanc[200?]  a720p.c22cm.bPB  aCivil Services examination  aCommerce  aStudy guide