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Yentzer, David A., and Ray Clark. "News and Information: The “Hierarchy of Needs” Screening Process: A Method for Rapid Development and Rationalization of Reasonable Alternatives." Environmental Practice 8, no. 4 (2006): 215-17.
"Summary: What is design thinking and why should you care? History and background plus a quick overview and visualization of 6 phases of the design thinking process. Approaching problem solving with a hands-on, user-centric mindset leads to innovation, and innovation can lead to differentiation and a competitive advantage."