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  - San francisco
PB  - Pfeiffer
KW  - MULTIMEDIA
KW  - BUSINESS EDUCATION
KW  - MULTIMEDIA LEARNING
KW  - TALKING SKILLS
ER  -