Public speaking finding your voice

Public speaking finding your voice

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Dades bibliogràfiques
Autors principals: Osborn, Michael 1937- (Autor), Osborn, Suzanne (Autor), Osborn, Randall (Autor)
Format: Llibre
Idioma:English
Publicat: Boston Allyn & Bacon [2012]
Edició:Ninth edition.
Matèries:
Public speaking.