Mandel Steve.
Effective Presentation Skills - 1st ed. - California Kogan Page 1997 - 73 p.
1850915555
”PUBLIC SPEAKING”
PN4121 / M271E 1997
Effective Presentation Skills - 1st ed. - California Kogan Page 1997 - 73 p.
1850915555
”PUBLIC SPEAKING”
PN4121 / M271E 1997