TY  - BOOK
AU  - Wileman,Ralph E.
TI  - Visual communicating
SN  - 0877782482
PY  - 1993///
CY  - Englewood Cliffs, N. J.
PB  - Educational Technology Pub.
KW  - Teaching
KW  - Audio-visual aids
KW  - Visual communication
KW  - Problems, exercises, etc
N1  - Includes bibliographical references ( p. 123-143 ) and index
ER  -