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Presidential leadership : politics and policy making
Thomson Wadworth, 2006
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Hunter, Robert E.
Presidential control pf foreign policy
Praeger, 1982
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Stein, Theodore J.
Social policy and policy making
Columbia University Press, 2001
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Divine, Robert A.
Foreign policy and U.S. presidential elections 1940-1948
New Viewpoints, 1974
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Suzie Sri Suparin S. Sudarman
Foreign policy issues in the American Presidential debates
Jurnal Studi Amerika, 2005
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