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Light and Sound, Grades 6 - 12: Energy, Waves, and Motion
Barbara R. Sandall Ed.D.;LaVerne Logan
Paperback (Mark Twain Media, Aug. 16, 1709)None
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Helping Students Understand Pre-Algebra, Grades 7 - 12 by Barbara R. Sandall Ed.D.
Barbara R. Sandall Ed.D.
Paperback (Mark Twain Media, Aug. 16, 1783)None