Strategic public speaking :
Zarefsky, David.
Strategic public speaking : a handbook / David Zarefsky. - 1st ed. - Boston : Pearson, 2007. - xxvi, 437 p.
0205472086 :
Public speaking.
Strategic public speaking : a handbook / David Zarefsky. - 1st ed. - Boston : Pearson, 2007. - xxvi, 437 p.
0205472086 :
Public speaking.