Meetings by telephone : a cost savings tool /

por Ward, John Robert, 1929-
Publicado 1980

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

Publicado 1982

Teleconferencing services and systems : a selective, annotated bibliography /

por Sanchez, James Joseph
Publicado 1987

Teleconferencing : new media for business meetings /

por Elton, M. C. J
Publicado 1982

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

Publicado 1984