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2. Berger C (2009) Wayfinding: designing and implementing graphic navigational systems. Rockport Publishers, Beverly
3. Berman D (2009) Do good – How designers can change the world. New Riders and AIGA Design Press, Berkeley, p 40
4. Charter V (1964)
https://www.icomos.org/charters/venice_e.pdf
5. Charter of Cultural Routes, ICOMOS (2008)
https://www.icomos.org/images/DOCUMENTS/Charters/culturalroutes_e.pdf