Landau, S. E. (2021). People count: Contact-tracing apps and public health. The MIT Press.
Chicago-viite (17. p.)Landau, Susan Eva. People Count: Contact-tracing Apps and Public Health. Cambridge, Massachusetts: The MIT Press, 2021.
MLA-viite (9. p.)Landau, Susan Eva. People Count: Contact-tracing Apps and Public Health. The MIT Press, 2021.
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