ebrary, Inc, & Steen, L. A. (1990). On the shoulders of giants: New approaches to numeracy. National Academy Press.
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Chicago-čujuhus (17. p.)
ebrary, Inc, juo Lynn Arthur Steen. On the Shoulders of Giants: New Approaches to Numeracy. Washington, D.C.: National Academy Press, 1990.
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MLA-čujuhus (9. p.)
ebrary, Inc, juo Lynn Arthur Steen. On the Shoulders of Giants: New Approaches to Numeracy. National Academy Press, 1990.
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