McKean, R. N. (1958). Efficiency in government through systems analysis: With emphasis on water resources development :. New York: Wiley.
Παραπομπή Chicago StyleMcKean, Roland N. Efficiency in Government Through Systems Analysis: With Emphasis On Water Resources Development :. New York: Wiley, 1958.
Παραπομπή MLAMcKean, Roland N. Efficiency in Government Through Systems Analysis: With Emphasis On Water Resources Development :. New York: Wiley, 1958.
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