TY  - GEN
AU  - Clark, Ruth Colvin
AU  - Mayer, Richard E.
TI  - e - Learning and the science of instruction : proven guidelines for consumers and designers of multimedia learning
SN  - 9780787986834
U1  - 658.312402854678 
PY  - 2008///
CY  - New Jersey
PB  - John Wiley & Sons
KW  - Business education
KW  - e - learning
ER  -