Effective presentations /
Zimmer, Marc.
Effective presentations / Marc Zimmer. - London : Sphere Books, 1987. - vii, 102 p. : ill.
0722123515
88900862
Public speaking.
Persuasion (Rhetoric).
Effective presentations / Marc Zimmer. - London : Sphere Books, 1987. - vii, 102 p. : ill.
0722123515
88900862
Public speaking.
Persuasion (Rhetoric).