The Smithsonian Visitor Journey: A Four-season Survey of the Smithsonian Visitors' Experiences Across Fifteen of the Smithsonian's Museums and its ZooSmithsonian Institution1–48
Office of Visitor Services, Lieberman, Evelyn S., and Bitar, Samir. 2017. The Smithsonian Visitor Journey: A Four-season Survey of the Smithsonian Visitors' Experiences Across Fifteen of the Smithsonian's Museums and its Zoo. Smithsonian Institution.