David Frederic Engelhardt
2 known books
newest first
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Books
OpenLibrary works by this author.
Aspects of spatial influence on s...
Aspects of spatial influence on science teaching methods
Year unknown
David Frederic Engelhardt and Harvard University. Graduate School of Education
Space requirements for science in...
Space requirements for science instruction, grades 9-12
Year unknown
David Frederic Engelhardt and Harvard University. Graduate School of Education
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