TY  - BOOK
AU  - De Jen,Jean
TI  - Visual presentation handbook for business and industry.
U1  - 658.45 
PY  - 1959///
CY  - St. Petersburg, Fla.
PB  - Oravisual Co.
KW  - Oratory
KW  - Audio-visual aids
KW  - Presentation
N1  - Index present
ER  -