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by Lock, Lock, Lock, Lock, and Lock  
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Companion Materials for
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This text is published (November 2012) by Wiley.
Follow this link for more information at the Wiley site or contact John LaVacca at Wiley.

Find an interactive unit from the text and more information about the approach at the Wiley showcase site.


Robin Lock
St. Lawrence University

Patti Frazer Lock
St. Lawrence University.

Kari Lock Morgan
Penn State University

Eric F. Lock
University of Minnesota

Dennis F. Lock
Iowa State University and Miami Dolphins