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The Master Key System
Charles F. Haanel
出版Amazon Digital Services LLC - Kdp, 2010-11-25
主題Health & Fitness / GeneralBody, Mind & Spirit / GeneralBody, Mind & Spirit / Inspiration & Personal GrowthSelf-Help / General
ISBN19365942429781936594245
URLhttp://books.google.com.hk/books?id=hHpTewAACAAJ&hl=&source=gbs_api
註釋The Master Key System is a personal development book that was originally published as a correspondence course in 1912. Along with "The Science of Getting Rich", by Wallace D. Wattles, the Master Key System is the source of Rhonda Byrne's inspiration for the book and the film "The Secret".