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References
(back to How Many Pearls)
Abbott, T. (1972). Kingdom of the Seashell. Crown Publishers, New York.
Lee, M., & Miller, M. (1997). Real Life Math Investigations, Grade 508.
Scholastic, Inc., New York.
Matlins, A. (1996). The Pearl Book. Gemstone Press, Woodstock, VT.
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