Chaffey, Dave, Digital marketing : strategy, implementation and practice / Dave Chaffey Fiona Ellis-Chadwick - 7th.ed - New York. USA Pearson 2019 - 545 pgs. ill.col. 25.5 cm Includes index ISBN: 9781292241579 (pbk) SR 220 Subjects--Topical Terms: Internet Marketing Strategy and implementation Dewey Class. No.: 658.87202854678 C181 2019