TY  - GEN
AU  - Heinich , Robert
AU  - Molenda , Michael
AU  - Russell , James D.
TI  - Instructional Media and the New Technologiesof Instruction
PY  - 1993///
PB  - Macmillan
KW  - Educational technology
KW  - Audio-Visual education
KW  - Computers
KW  - Multimedia systems
ER  -