In a world where the presentation of ideas has become nearly as important as the content of ideas, Berg and Gilman provide step-by-step techniques on how to master the art of effective public speaking.
Edward P. Stevenson Ordre des livres

- 1990

In a world where the presentation of ideas has become nearly as important as the content of ideas, Berg and Gilman provide step-by-step techniques on how to master the art of effective public speaking.