TY  - BOOK
AU  - Porter, Michael E.
TI  - Competitive strategy: techniques for analyzing industries and competitors: Techniques for analyzing industries and competitors
SN  - 0029253608
U1  - 658.406 PORM 
PY  - 1980///
CY  - New York
PB  - Macmillan College Publishing Company
KW  - None
ER  -