TY  - BOOK
AU  - Heinich,Robert
AU  - Molenda,Michael
AU  - Russell,James D.
TI  - Instructional media and the new technologies of instruction
SN  - 0023530200
AV  - LB1028.3.H45 1989 
PY  - 1989///
CY  - New York
PB  - Macmillan
KW  - Educational technology
KW  - Audio-visual education
ER  -