%A Brown, Kenneth E.
%A Obourn, Ellsworth S.
%T Offerings and enrollments in science and mathematics in public high schools 1958
%I In-house reproduction
%D 1961
%S Bulletin / Department of the Interior, Bureau of Education
%V 1961, no. 5
%U https://ci.nii.ac.jp/ncid/BA61690777
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