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4 open access dissertations and theses found for:
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1.
Exploring the assessment of geological observation with design research
by Baek, John Y., Ph.D.  George Mason University. 2007: 160 pages; 3277152.
2.
Handheld computer algebra systems in the pre-algebra classroom
by Gantz, Linda Ann Galofaro, Ph.D.  George Mason University. 2010: 316 pages; 3406562.
3.
Developing Primary (K-2) Teachers' Understanding of High Cognitive Demand Mathematical Tasks
by Hargrove, Dori L., Ph.D.  George Mason University. 2015: 176 pages; 3706599.
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