Susan Weinschenk Ph. D.

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Cărți de Susan Weinschenk Ph. D.

Coperta cărții 100 Things Every Presenter Needs To Know About People, Paperback/Susan Weinschenk Ph. D.

100 Things Every Presenter Needs To Know About People, Paperback/Susan Weinschenk Ph. D.

Susan Weinschenk Ph. D.