TY  - BOOK
AU  - Heinich, Robert, Molenda, Michael and Russell, James D.
TI  - Instructional media and the new technologies of instruction
SN  - 0471368938
U1  - 371.3 
PY  - 1982///
CY  - New York
PB  - ; John Wiley
KW  - Education
KW  - Mathod Of Instruction
ER  -