Griffin, Daniel. Press start : using gamification to power-up your marketing / Daniel Griffin & Albert van der Meer. - London : Bloomsbury Business, 2019. - ix, 278 pages : ill. Includes bibliographical references (pages 265-274) an index. ISBN: 978-2-4729-7051-0 (paperback) Subjects--Topical Terms: MarketingGamification Marketing--Data processing Dewey Class. No.: Grad 658.8 / G857 2019