Effective presentation skills: a practical guide for better speaking
Steve Mandel
Effective presentation skills: a practical guide for better speaking - 3rd ed. - Crisp learning 2000 - 94 p
1- 56052- 526- 6
PN4121.M3194
Effective presentation skills: a practical guide for better speaking - 3rd ed. - Crisp learning 2000 - 94 p
1- 56052- 526- 6
PN4121.M3194