Valadez, J., & Bamberger, M. (1994). Monitoring and evaluating social programs in developing countries: A handbook for policymakers, managers, and researchers. The World Bank.
Lua i Stíl Chicago (17ú heag.)Valadez, Joseph, agus Michael Bamberger. Monitoring and Evaluating Social Programs in Developing Countries: A Handbook for Policymakers, Managers, and Researchers. Washington, DC: The World Bank, 1994.
Lua MLA (9ú heag.)Valadez, Joseph, agus Michael Bamberger. Monitoring and Evaluating Social Programs in Developing Countries: A Handbook for Policymakers, Managers, and Researchers. The World Bank, 1994.
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