Herman, J. L. (1987). Evaluator's Handbook. Center for the Study of Evaluation University of California.
Tohutoru Kātū Chicago (17th ed.)Herman, Joan L. Evaluator's Handbook. Los Angeles: Center for the Study of Evaluation University of California, 1987.
Tohutoro MLA (9th ed.)Herman, Joan L. Evaluator's Handbook. Center for the Study of Evaluation University of California, 1987.
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