Chaffey, Dave, Digital Marketing Excellence : Planning , Optimizing and Integrating Online Marketing / Dave Chaffey and P. R. Smith. - Sixth Edition. - 638 pages : colored illustrations ; 25 cm. ISBN: 9780367444754 Subjects--Topical Terms: Business management Index Terms--Genre/Form: MARKETING--INTERNET MARKETING Dewey Class. No.: 658.872 / C433