Heiss, E. D. (1932). An Investigation of content and mastery of high school general science courses. The Craft Press, Inc.
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Citación estilo Chicago
Heiss, Elwood D. An Investigation of Content and Mastery of High School General Science Courses. East Stroudsburg, Pennsylvania: The Craft Press, Inc, 1932.
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Cita MLA
Heiss, Elwood D. An Investigation of Content and Mastery of High School General Science Courses. The Craft Press, Inc, 1932.
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