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Date: 2010-11-15 09:14:49 | Copyright © 2004, National Science Teachers Association (NSTA). Reprinted with permission from Journal of College Science Teaching, Vol. 33, No. 6, May 2004. ○ ○Add to Reading ListSource URL: sciencecases.lib.buffalo.eduDownload Document from Source WebsiteFile Size: 263,68 KBShare Document on Facebook |