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International organizations: principles and issues
Bennett, Alvin LeRoy, (1977)
The dynamics of international organization
Jacob, Philip E., (1972)
Il mediterraneo, economia, politica, strategia
Silvestri, Stefano, (1968)
The political role the United Nations
Jordan, William M., (1962)
Concepts and Realities in International Political Organization
Jordan, William M., (1957)