National Assessment of Educational Progress. (1970). Observations and commentary of a panel of reviewers: Report 2 : citizenship : national results-partial (July 1970).
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Chicago-čujuhus (17. p.)
National Assessment of Educational Progress. Observations and Commentary of a Panel of Reviewers: Report 2 : Citizenship : National Results-partial (July 1970). 1970.
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MLA-čujuhus (9. p.)
National Assessment of Educational Progress. Observations and Commentary of a Panel of Reviewers: Report 2 : Citizenship : National Results-partial (July 1970). 1970.
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