Science and mathematics teachers in public high schools
By: by Ellsworth S. Obourn and Kenneth E. Brown
Contributors: Obourn, Ellsworth Scott, 1897-; Brown, Kenneth E., 1904-
Publisher: For sale by the Superintendent of Documents, U. S. Govt. Print. Off.
Published: 1963
Place of publication: [Washington
Language: eng
Number of pages: 35
Subjects: Science teachers -- United States; Mathematics -- Study and teaching -- United States
Notes: "OE-29045."

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