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Bücher von Ken Christian

Kenneth W. Christian, Ph.D., is a licensed psychologist with more than a quarter century of clinical experience. In 1990 he founded the Maximum Potential Project, through which he has helped more than a thousand people -- from executives and entrepreneurs to students and others -- conquer the problem of underachievement and maximize their potential. A frequent guest on television and radio, he divides his time between Paris, France, and New York City.
Your Own Worst Enemy von Ken Christian
Your Own Worst EnemyKen Christian
Gut
7.50