TY  - BOOK
AU  - Heinich, Robert
TI  - Instructional Media and Technologies for Learning
SN  - 23530707
U1  - 371.3078 HEI 
PY  - 1996///
CY  - New Jersey
PB  - Printice- Hall Int.
KW  - Social Sciences
N1  - Includes Index
ER  -