TY  - BOOK
AU  - michael-porter
TI  - competitive-strategy
SN  - 978-0684841489
PY  - 1980///
CY  - New York
PB  - The Free Press
KW  - SCMS
UR  - http://192.168.3.1/ebooks/link/E-Book%20SCMS/competitive%20strategy%20by%20michael-porter.pdf
ER  -