00327nam a2200109 a 450000500170000002000150001708200190003210000190005124500850007026000420015530000200019720251203091736.0  a0712655638  a658.8,bD, mck  aMcKenna, Regis  aRelationship marketing : own the market through strategic customer relationships  aLoNew DelhionbCentury Businessc1991  axiv, 242p, 22cm