(2000). International Comparisons of Student Performance in Mathematics & Science. U.S. Department of Education.
Chicago-čujuhus (17. p.)International Comparisons of Student Performance in Mathematics & Science. U.S. Department of Education, 2000.
MLA-čujuhus (9. p.)International Comparisons of Student Performance in Mathematics & Science. U.S. Department of Education, 2000.
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