Easton, David
A framework for political analysis / David Easton
Prentice-Hall, 1965
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Easton, David
A systems analysis of political life
John Wiley & Sons, 1965
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Butler, David
The Study of Political behaviour / David Butler
Radius Book/ Hutchinson, 1970
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Simulation of beef cattle production systems and its use in economic analysis / edited by Thomas H. Spreen and David H. Laughlin
Westview Press, 1986
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Cleland, David I.
Systems, organizations, analysis, management : a book of readings / David I. Cleland, William R. King
McGraw-Hill, 1969
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