Roi sales book ‘the value sale' by ian campbell reaches #2 best seller on the wall street journal and #1 best seller on amazon

Miami--(business wire)-- #roi--nucleus research ceo, ian campbell, has been named to the best seller lists of both the wall street journal and amazon, with his first book, the value sale: how to prove roi and win more deals. in this practical book on roi selling, campbell takes a comprehensive approach to unlocking the power of value in the sales funnel. from understanding buying motives to mastering financial metrics and roi calculations, each chapter is carefully crafted to provide readers with acti.
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