TY  - BOOK
AU  - PORTER, Michael E
AU  - 
TI  - Competitive advantage: Creating and sustaining superior performance
SN  - 0029250900
U1  - 658.401 
PY  - 1985///
CY  - NEW YORK
PB  - FREE PRESS
KW  - EXECUTIVE MANAGEMENT - PLANNING, POLICY
KW  - PLANNING, POLICY MAKING, CONTROL
ER  -