TY  - BK
AU  - Zachmann,R.
AU  - Siri,C.
TI  - Visual presentation of research results
T2  - IITA Research Guide
PY  - 1995///
CY  - Ibadan (Nigeria)
PB  - IITA, 
KW  - Audiovisual aids
KW  - Communication technology
KW  - Extension activities
KW  - Teaching methods
KW  - IITA
ER  -