E-business & e-commerce management : strategy, implementation and practice / Dave Chaffey. Chaffey, Dave 1963- Electronic commerce. Business enterprises Computer networks. HF5548.32 .C472 2011 658.872 22 CHE Includes bibliographical references and index. Harlow, England ; New York : Pearson/Financial Times Prentice Hall, 2011. 2011. 2011 Text xxxi, 733 p. : eng