TY  - BOOK
AU  - Porter,Michael E.
TI  - Competitive strategy: techniques for analyzing industries and competitors 
SN  - 0029253608
AV  - HD 41 P847c 1980
U1  - 658.86 
PY  - 1980///
CY  - New York
PB  - The Free press
KW  - Competition
KW  - Industrial management
KW  - Competitividad
KW  - Administración industrial
ER  -