Walker, E. Ronald
From economic theory policy
University of Chicago Press, 1947
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Seth, M.L.
Theory & practice of economic planning
S. Chand, 1969
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Harrod, R.F.
Towards a dynamic economics : some recent developments of economic theory and their application to policy
Macmillan, 1956
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Ropke, Wilhelm
Die lehre von der wirtschaft / Wiihelm Ropke
Eugen Rentsch Verlag, 1961
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Baumol, William J.
Economic processes and policies
Harper & Brother Publisher, 1954
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