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100   $a20000920d1980----km-y0itay50------ba
101 0 $aENG
200 1 $aCompetitive strategy. Techniques for analy-zing indutries and competitors$fdi PORTE R Michael
205   $a$a
210   $aNew York$cThe Free Press$d1980
215   $a8 ,396 pp.
700  1$aPorter,$bMichael E.$f<1947- >$05334
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990002615310403321
952   $a1-6-133-TI$b5534$fECA
959   $aECA
996   $aCompetitive strategy. Techniques for analy-zing indutries and competitors$9433361
997   $aUNINA
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