Telephone communication skills for the 90's [kasetvideo]

Eitemau Tebyg

• Effective telephone skills /
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• Telephone skills /
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• The telephone skills pocketbook /
  gan: 236842 Richards, Mary
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• Make that call! : winning tactics for 101 difficult telephone conversations /
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• The Cold call [kasetvideo]
  Cyhoeddwyd: (1978)