TY  - BOOK
AU  - Gillis,Don
TI  - The art of media instruction
AV  - LB1043.G481.A786 1973 
PY  - 1973///
CY  - Dallas
PB  - Crescendo Book Publications
KW  - Audio-visual education
KW  - Teaching
KW  - Aids and devices
N1  - Bibliography: pages 306-323; 2
ER  -