Washington U.S. Department of Health, Education, and Welfare 1955
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Miller, Leonard S.
The Carnegic Commision on Higher Education, 1975
Buku Teks
Brubacher, John S.
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Buku Teks
Crittenden, John A.
Prentice-Hall, 1982
Buku Teks
Eisenhower, Dwight D.
Federal Register Division, National Archives and Records Service, 1958
Buku Teks