How to become a successful speaker : a brief, practical text for adults, management and executive personnel, supervisors, salesmen, and others who wish to improve their speaking effectiveness in their work and social relations
著者
書誌事項
How to become a successful speaker : a brief, practical text for adults, management and executive personnel, supervisors, salesmen, and others who wish to improve their speaking effectiveness in their work and social relations
Bureau of Business Practice, c1950
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注記
Includes index