TY  - BOOK
AU  - Tilka Julia 
TI  - Powerful audiovisual techniques : : 101 ideas to increase the impact and effectiveness of your training 
SN  - 0943210267
U1  - 658.4071245 
PY  - 1994///
CY  - Minneapolis, MN : 
PB  - Lakewood Books
KW  -  Employees -- Training of -- Audio-visual aids.
KW  - Audiovisuelle Medien
ER  -