Market segmentation : a step by step approach to creating profitable market segments / Malcolm Mcdonald, Ian Dunbar Mcdonald, Malcolm Dunbar, Ian Marshall, Sir Colin Market segmentation. HF5415.127 .W45 1987b 658.802 MCM Includes index. Houndmills ; London : Macmillan, 1993. 1993. 1995 Text xi, 271p. : eng