Education Development Center. (2000). Impact mathematics: Algebra and more for the middle grades. New York: Clencoe/McGraw-Hill.
Styl ChicagoEducation Development Center. Impact Mathematics: Algebra and More for the Middle Grades. New York: Clencoe/McGraw-Hill, 2000.
Citace podle MLAEducation Development Center. Impact Mathematics: Algebra and More for the Middle Grades. New York: Clencoe/McGraw-Hill, 2000.
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