TY  - BOOK
AU  - Porter Michael E.
TI  - Competitive Advantage:Creating and Sustaining Superior Performance
SN  - 9780684841465
SN  - 5391
U1  - 658.3125            
PY  - 1985///
CY  - New York
PB  - The Free Press
KW  - Performance Rating (Evaluation) 658.3125
ER  -