TY  - BOOK
AU  - Brown,James W.
AU  - Lewis,Richard B.
TI  - AV instructional technology manual for independent study
SN  - 0070081700
U1  - 371.335 23
PY  - 1977///.
CY  - New York: 
PB  - McGraw-Hill, 
KW  - Audio-visual education
KW  - Audio-visual materials
N1  - Includes bibliographical references
ER  -