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9780787966607
Robert G. Hoehn (B.A., San Jose State University) has taught earth science, physical science, and biology in the Roseville Joint Union High School District of California high schools since 1963Hoehn, Robert G. is the author of 'Science Puzzlers! 150 Ready-To-Use Activities to Make Learning Fun, Grades 4 - 8' with ISBN 9780787966607 and ISBN 0787966606.
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