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W. Timothy Gallwey Quote: “Relaxed concentration is the supreme art because no art can be achieved without it, while with it, much can be achieved....”
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Book Review: The Inner Game of Tennis, W Timothy Gallwey – and coaching – In Pursuit of Great Mathematics Teaching
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Amazon.fr - Tennis et psychisme - Comment progresser par la concentration (1ere édition de Tennis et concentration) - traduit de l'américain par Alain Cassaigne - Gallwey (Timothy) - Livres
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The Inner Game of Tennis: The Classic Guide to the Mental Side of Peak Performance by W. Timothy Gallwey | Goodreads
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