Soft computing with industrial applications: recent trends in research and development, vol. 5
TSI Pres, 1996
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Wesson, Robert G.
Foreign policy for a new age
Houghton mifflin, 1977
 Buku Teks
Wesson, Robert G.
Foreign policy for a new age
Houghton Miffiln, 1977
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Lipsey, Robert E.
Price and quantity trends in the foreign trade of the United States / by Robert E. Lipsey
Princeton University Press , 1963
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New directions in the study of foreign policy
edited by Charles F. Herman, Charles W. Kegley, James N. Rosenau
Harper Collins Academic, 1987
 Buku Teks