Teletorg
Subtitle: evaluering av prøvedrift = Premium rate services : evaluation of a pilotproject
By: av Anders T. Tveit.
Series: Rapport,; nr. 4-1991; Rapport (Statens institutt for forbruksforskning (Norway)) ;; 1991 nr. 4.
Publisher: Statens institutt for forbruksforskning (SIFO)
Published: 1991
Place of publication: Lysaker
Language: nor
Subjects: Pay-per-call telephone services -- Norway.
Other titles: Premium rate services.
Notes: Includes bibliographical references (p. [137]-140).
Summary in English.