Porter´s (1980) Generic Strategies, Performance and Risk: An Empirical Investigation with German DataEbookPorter´s (1980) Generic Strategies, Performance and Risk: An Empirical Investigation with German DatabyJan EldringRating: 0 out of 5 stars0 ratingsSave Porter´s (1980) Generic Strategies, Performance and Risk: An Empirical Investigation with German Data for later