MAP20078022164 Comment on "Industry, corporate and business-segment effects and business performance : a non-parametric approach" by Ruefli and Wiggins / A.M. McGahan and M.E. Porter En: Strategic Management Journal. - Chichester : John Wiley & Sons, Ltd, 1991-2010 = ISSN 0143-2095. - Número 9 26 2005
