http://www.driveyoursuccess.com The following explains how to define your company's value chain and use it to define your value assertion
http://www.driveyoursuccess.com/2012/... "Your Value Chain Defines Your Value Assertion: B2B Marketing Essentials"
http://www.driveyoursuccess.com/2012/... "Defining Value Assertion and Value Proposition in Business Development"