Owens, T. R. (1979). Program evaluation skills for busy administrators (Rev. ed.). Northwest Regional Educational Laboratory.
Citace podle Chicago (17th ed.)Owens, Thomas R. Program Evaluation Skills for Busy Administrators. Rev. ed. Portland, Oregon: Northwest Regional Educational Laboratory, 1979.
Citace podle MLA (8th ed.)Owens, Thomas R. Program Evaluation Skills for Busy Administrators. Rev. ed. Northwest Regional Educational Laboratory, 1979.
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