Tzuo ,Tien. Subscribed: why the subscription model will be your company's future and what to do about it - UK: Portfolio Penguin, 2018. - viii, 246 p.; ill.: 24 cm. Bibliography details including index ISBN: 9780241363669 Subjects--Topical Terms: Retail TradeMarketing ChannelsBusiness Planning Dewey Class. No.: 658.87 / TZU