Meetings by telephone : a cost savings tool /

od Ward, John Robert, 1929-
Izdano 1980

The Teleconferencing handbook : a guide to cost-effective communication /

Izdano 1982

Teleconferencing services and systems : a selective, annotated bibliography /

od Sanchez, James Joseph
Izdano 1987

Teleconferencing : new media for business meetings /

od Elton, M. C. J
Izdano 1982

The Teleconferencing resource book : a guide to applications and planning /

Izdano 1984