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by Peppers, Don; Rogers, Martha; Kotler, Philip
by Kotler, Philip; Keller, Kevin Lane
by Kotler, Philip
by Armstrong, Gary; Kotler, Philip
by Minsky, Laurence; Fahey, Colleen; Kotler, Philip, Dr.
by Harvard Business Review; Kotler, Philip; Zoltners, Andris; et al.
by Harvard Business Review; Christensen, Clayton M.; Levitt, Theordore; et al.