Understanding telephone electronics/

Antzeko izenburuak

• Telephoning.
  nork: Bruce, Kay
  Argitaratua: (1992)
• Telephone skills at work /
  nork: Fisher, Judith E.
  Argitaratua: (1994)
• Fifty ways to improve your telephoning and teleconferencing skills : without too much effort /
  nork: Taylor, Ken
  Argitaratua: (2008)
• Telephoning in English /
  nork: Naterop, B. Jean (Bertha Jean)
  Argitaratua: (1997)
• BDTEL Yellow pages 2011
  Argitaratua: (2011)