000
00279nam a2200121Ia 4500
100
_a
PORTER M E
365
_c
RS
365
_d
1
942
_c
MBABK
245
_a
Competetitive Techniques for Managerical Decision
260
_b
The Free Press
_c
1985
_a
new york
300
_a
xxiv+557pp
999
_c
1554
_d
1554