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URL: http://rpsec.usca.sc.edu/TravelingScience/subjectpages/cbl/ (April 1999)
Copyright © 2001 by the Board of Trustees of the University of South Carolina.
Ruth Patrick Science Education
Center
Center of Excellence in Educational
Technology
University of South Carolina
Aiken
471 University Parkway
Aiken, SC 29801
803-648-6851
