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http://blog.kvv213.com/2017/03/ideal-ny-j-marketing-o-chem-zaby-li-98-marketologov-tilt-shifting-your-strategy-from-products-to-customers-2015/
Идеальный маркетинг. О чем забыли 98% маркетологов / Tilt: Shifting Your Strategy from Products to Customers. (2015)