Discovering whether programs work a guide to statistical methods for program evaluation by Langbein, Laura Irwin

Toward reform of program evaluation

Evaluating with validity by House, Ernest R.

Qualitative evaluation methods by Patton, Michael Quinn

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Qualitative evaluation methods by Patton, Michael Quinn

Benefit-cost analysis for program evaluation by Thompson, Mark S.

Program evaluation in the human services by Washington, Robert O.

Evaluation research and social change by Weilenmann, Alexander 1926-

Planning useful evaluations evaluability assessment by Rutman, Leonard

Evaluating social action projects principles, methodological aspects, and selected examples.