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Ivers, K.S., & Barron, A.E. (2006). Multimedia projects in education, designing, producing and assessing. Westport, CT: Libraries Unlimited.

Rubistar. (2008). Retrieved from

Reference Picture © 2009-2010 St Joseph County Public Library, South Bend, Indiana



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2^ (1996) Geosystems: An Introduction to Physical Geography. Prentice Hall Inc.