Salamon, Lester M., "The Time Dimension in Policy Evaluation: The Case of the New Deal Land-Reform Experiments", Public Policy, núm. xxvii(2), primavera de 1979, pp. 129-183.
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Salamon, L. M. (1979). The Time Dimension in Policy Evaluation: The Case of the New Deal Land-Reform Experiments". Public Policy, 2 pp. 129-183.
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