There's no such thing as public speaking making any presentation or speech as persuasive as a one-on-one conversation

Manylion Llyfryddiaeth
Prif Awdur: Henderson, Jeanette
Awduron Eraill: Henderson, Roy
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: New York Prentice Hall Press 2007.
Pynciau: