National Geographic Learning
National Geographic
W. H. Breazeale, Ruth Hathaway
Benchmark Education Staff
Silver Burdett Ginn [Editor]
Douglas Fisher; Jan Hasbrouck; Timothy Shanahan; Diane August; Donald Bear; Janice Dole
Randy Bell Ph D,Malcom B Butler Ph D, Nell K Duke Ed D, Judith Lederman Ph D, David W Moore Ph D, Kathy Cabe Ph D (Authors)
Shimp, Terence A.
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