00347nam a2200133Ia 4500020001800000082001500018100001800033100001900051245002900070250001600099260004000115300001400155650004400169  a9780071007764  a658  KOO-E  aHarold Koontz  aHeinz Weihrich  aEssentials of Management  a5th Edition  bMcGraw hill Pub. Co. New Yorkc1990  a530 2.7cm  aEssentials of Management Koontz ,Harold