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  1. 1

    Telephone techniques the essential guide to thinking and working smarter od Walker, Lin 1948-

    Wydane 1998
    Książka

    Telephone techniques the essential guide to thinking and working smarter
  2. 2

    Effective telephoning od Comfort, Jeremy

    Wydane 1996
    Książka

    Effective telephoning
  3. 3

    Effective telephone skills od Farrell, Thomas J.

    Wydane 1994
    Książka

    Effective telephone skills
  4. 4

    Introduction to telecommunications the business perspective od Housel, Thomas J.

    Wydane 1988
    Książka

    Introduction to telecommunications the business perspective
  5. 5

    Winning by telephone telephone effectiveness for business professionals and consumers od Goodman, Gary S.

    Wydane 1982
    Książka

    Winning by telephone telephone effectiveness for business professionals and consumers
  6. 6

    Cost-effective telecommunications od Kuehn, Richard A

    Wydane 1975
    Książka

    Cost-effective telecommunications

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