00577nam a2200145Ia 4500 20260716043246.0 12.04.01 H477 Heller, Robert Essential manager's manual Dorling Kindersley LondonGB 1998 864 p. Seeks to help the reader perfect his or her management techniques in a range of key areas either by acquiring new skills or by improving existing ones as necessary. Contains sound, practical advice on all the key areas of business management. 3/7/00 M2LMGR M H477 43520 43520