TY  - BOOK
AU  - Simpson, Robert S.
TI  - Effective Audio-Visual: a user's handbook 
SN  - 0240514165
U1  - 371.335 
PY  - 1996///
CY  - Oxford
PB  - Focal Press
KW  - Audio-visual education
KW  - Audio-visual
KW  - Effectiveness
N1  - Includes bibliographical references and index
ER  -