2099913
9780787970031
Robert G. Hoehn has taught earth science, physical science, and biology in the Roseville Joint Union High School District of California since 1963Hoehn, Robert G. is the author of 'What's Up In Science? Puzzles And Problem-solving Activities To Build Science Literacy, Grades 6-10', published 2004 under ISBN 9780787970031 and ISBN 0787970034.
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