[03/10/2018] 企管大師杜拉克名著The Effective Executive，The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials) Kindle Edition by Peter F. Drucker (Author),‎ Jim Collins (Foreword)，Kindle版電子書，特價$2.99 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買：amazon 。