TY  - BOOK
AU  -  Porter, Michael E.
TI  - Competitive advantage : creating and sustaining superior performance
SN  - 9780743260879
U1  - 658 POR-M 
PY  - 1985///
CY  - New York
PB  - Free Press
KW  - Industrial management
KW  - Competition. ﾠ
ER  -