Mansfield, Edwin
Economics principles, problems, decisions
W.W. Norton, 1974
 Buku Teks SO
Meade, James E.
Problems of economic union
University of Chicago Press, 1953
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Kiekhofer, William H.
Economic principles, problems, and policies
D. Appleton Century, 1946
 Buku Teks SO
Current economic problems
Richard D. Irwin, 1972
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Sanborn, Henry N.
What, how for whom the decisions of economic organization / Henry N. Sanborn
Cotter-Barnard Co., 1972
 Buku Teks SO