Book (Practical) Ethics and ethics Letter from a millionaire

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Ethics and morality
business
What the great-rich grandfather left behind was not "money" but "nine letters." Guided by "letters," the young man goes on a journey to pursue "the secrets of life." Story of Learning and Emotion! 15 years from 』, the teaching of the 『 Jewish millionaire who has sold more than one million copies. The total circulation of 7,000,000 copies is written by Ken Honda, "Authentic Business Novel"!