The art of two-way communication.

Bibliographic Details
Format: Book
Language:English
Published: United Kingdom: Longman Group, 1991.
Series:Longman Training Series
Subjects:
Description
Physical Description:Video-cassette (VC0182)
Overhead Transparencies (OHT0001)
Handout Masters (16498)
Summary Film Video-cassette (VC0181)