00310nam a2200121Ia 4500082001500000100001800015100001900033245002900052250001600081260003600097300001400133650004100147  a658  KOO-E  aHarold Koontz  aHeinz Weihrich  aEssentials of Management  a5th Edition  bSultan Chand & Sons Delhic2001  a530 2.5cm  aEssentials of Management L.M. Prasad