Social science Life-Changing Sleep Skills / Hirano Mari
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Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Social Science
Conferences, presentations, exams, business negotiations, presentations … By incorporating "attack and defense" and exploding "quality of sleep", you can demonstrate "real power"! A sleep-trainer who supports top-class athletes, foreign-affiliated companies, and managers introduces tips that can be done right now.