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3Definition of Graphic organizer.[EB/OL], http://dictionary.babylon.cm/graphic%20organizer 2009-07-10.
4what are they. [EB/OL].http://www.members.shaw.ca/priscillatheroux/graphicorganizers.html 2007-09-1.
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10Wormeli, R. Summarization in Any Subject : 50 Techniques to Improve Student Learning[M]. Alexandria, VA: ASCD 2005.