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Kathy Cabe Trundle Ph D
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National Geographic Science Forces and Motion Physical Science Grade 1 Teacher's Edition
Randy Bell Ph D, Malcolm B Butler Ph D, Nell K Duke Ed D, Judith Lederman Ph D, David W Moore Ph D, Kathy Cabe Trundle Ph D · National Gegraphic School Publishing
122 sayfa · 2010
Earth sciences / Study and teaching (Elementary) / Life sciences / Physical sciences