Dibb, Sally. The marketing planning workbook : effective marketing for marketing managers / Sally Dibb, Lyndon Simkin, and John Bradley. - London : Routledge, 1996. - xxx, 224 p. ; 24 cm. - The marketing workbooks. . Includes index. Includes bibliographical references. ISBN: 0415118913 (pbk.) Subjects--Topical Terms: Marketing--Planning.Marketing.