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The handbook of practical program evaluation
Wholey, Joseph S., (2010)
Marginal cost in the new economy : a proposal for a uniform approach to policy evaluations
Conkling, Roger L., (2004)
Performance Evaluation - Annual Report Year 2
Ardaiz, Oscar, (2006)
Zero-base budgeting and program evaluation
Wholey, Joseph S., (1978)
What can we actually get from program evaluation?
Wholey, Joseph S., (1977)