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Bull's-eye: the power of focus/

Just as you can develop your physical muscles through hard work and concentration, you can develop your mental muscles through continuous repetition. Bull's Eye will teach you how to unleash your powers for success and accomplish more in the next few months than many people do in a lifetime.

書誌詳細
第一著者: Tracy, Brian
フォーマット: Printed Book
出版事項: Illinois: Simple truths, 2015.
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