Fünf-Minuten-Fokus: Übungen zur Verringerung der Ablenkung, Verbesserung der Konzentration und ich
25,96 €
Five minutes is all it takes. Take a deep breath. Let's get focused. Sharpen your focus and boost your performance--in an instant--with Five-Minute Focus. Subtitle Exercises to Reduce Distraction, Improve Concentration, and Increase Performance.
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