Speak your way to success a guide to effective speaking in business and the professions

Speak your way to success a guide to effective speaking in business and the professions

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Xehetasun bibliografikoak
Egile nagusia: Sager, Arthur W.
Formatua: Liburua
Hizkuntza:English
Argitaratua: New York McGraw-Hill [1968]
Gaiak:
Public speaking.