00309nam a2200109Ia 4500008004100000082001500041100003600056245002800092250001200120260005900132300000800191240913s9999||||xx |||||||||||||| ||und||  a658  KOO/E  aHarold Koontz and Hein Weihrich 0aEssential of management  a9th Ed.  bTata MCGraw Hill Education Private LimitedaNULLc2012  a500