The challenge of effective speaking

Míreanna comhchosúla

• The challenge of effective speaking.
  de réir: Verderber, Rudolph F.
  Foilsithe / Cruthaithe: (1985)
• The challenge of effective speaking
  de réir: Verderber, Rudolph F.
  Foilsithe / Cruthaithe: (1991)
• The challenge of effective speaking.
  de réir: Verderber, Rudolph F.
  Foilsithe / Cruthaithe: (1970)
• The challenge of effective speaking
  de réir: Verderber, Rudolph F.
  Foilsithe / Cruthaithe: (1997)
• The challenge of effective speaking
  de réir: Verderber, Rudolph F.
  Foilsithe / Cruthaithe: (2000)