Yarmish, J. (2005). Prealgebra skills workbook. New Jerey: Prentice Hall.
Trích dẫn kiểu ChicagoYarmish, Joshua. Prealgebra Skills Workbook. New Jerey: Prentice Hall, 2005.
Deismireacht MLAYarmish, Joshua. Prealgebra Skills Workbook. New Jerey: Prentice Hall, 2005.
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