(2000). Mathematics Performance of 4th-, 8th-, & 12th- Grade Students. U.S. Department of Education.
Citace podle Chicago (17th ed.)Mathematics Performance of 4th-, 8th-, & 12th- Grade Students. U.S. Department of Education, 2000.
Citace podle MLA (9th ed.)Mathematics Performance of 4th-, 8th-, & 12th- Grade Students. U.S. Department of Education, 2000.
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