Lewis, William Arthur, 1915-
The Principles of economic planning
Public Affairs, 1951
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Tinbergen, Jan, 1903-
On the theory of economic policy
North-Holland Publishing , 1952
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Lewis, William Arthur, 1915-
Development planning : the essentials of economic policy
Harper & Row, 1966
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Keilhau, Wilhelm
Principles of private and public planning a study in economic sociology
George Allen & Unwin, 1951
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Baumol, William J.
Economics principles and policy
N.Y. Harcourt Brace Jovanovich , 1982
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