Social media marketing : A strategic approach / Melissa S Barker ... [et al.]. - 2nd ed. - Boston, MA : Cengage Learning, c2017 - xv, 330 p. : col. ill. ; 28 cm. ISBN: 9781305502758 Subjects--Topical Terms: Social Software. Marketing. Companies. Dewey Class. No.: 658.872 / SOC