In this book, authors H.A. Dorfman and Karl Kuehl present their practical and proven strategy for developing the mental skills needed to achieve peak performance at every level of the game.
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Kokeile nyt ilmaiseksiIn this book, authors H.A. Dorfman and Karl Kuehl present their practical and proven strategy for developing the mental skills needed to achieve peak performance at every level of the game.
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