Booher, Dianna Daniels
"Speak with confidence : powerful presentations that inform, inspire and persuade" - New York McGraw-Hill 2003 - 239
0071408053
Business presentations
Public speaking
808.510 B644s
"Speak with confidence : powerful presentations that inform, inspire and persuade" - New York McGraw-Hill 2003 - 239
0071408053
Business presentations
Public speaking
808.510 B644s