Effective Meetings: teachers book

Eitemau Tebyg

• Effective Negotiating: teachers book
  gan: Comfort J. Jeremy
  Cyhoeddwyd: (New York, Oxford University Press, 2000)
• Effective Meetings: students book
  gan: Comfort J. Jeremy
  Cyhoeddwyd: (New York, Oxford University Press, 1997)
• Effective Meetings
  gan: Comfort J. Jeremy
  Cyhoeddwyd: (Oxford, Oxford University Press, 2005)
• Effective Negotiating: students book
  gan: Comfort J. Jeremy
  Cyhoeddwyd: (New York, Oxford University Press, 1998)
• In company. Intermediate: Teacher's Book
  gan: Gomm H. Helena
  Cyhoeddwyd: (Oxford, Macmillan, 2002)