National Research Council (U.S.). Committee on Learning Science in Informal Environments, ebrary, Inc, & Bell, P. (2009). Learning science in informal environments: People, places, and pursuits. National Academies Press.
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Chicago-čujuhus (17. p.)
National Research Council (U.S.). Committee on Learning Science in Informal Environments, Inc ebrary, juo Philip Bell. Learning Science in Informal Environments: People, Places, and Pursuits. Washington, DC: National Academies Press, 2009.
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MLA-čujuhus (9. p.)
National Research Council (U.S.). Committee on Learning Science in Informal Environments, et al. Learning Science in Informal Environments: People, Places, and Pursuits. National Academies Press, 2009.
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