The teleconferencing handbook : a guide to cost-effective communication /
by Ellen A. Lazer ... [et al.]
- White Plains, N.Y. : Knowledge Industry, 1983
- 219 p. : ill.
- Communications library series .
Bibliography Includes index
0867290226
TELECONFERENCING
TK5102.5 / T443
Bibliography Includes index
0867290226
TELECONFERENCING
TK5102.5 / T443