Validity issues in evaluative research /

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Bibliographic Details
Other Authors: Nagel, Ilene H., 1946-
Format: Book
Language:English
Published: Beverly Hills, Calif. : Sage Publications, 1976.
Series:Sage contemporary social science issues ; 23.
Subjects:

University Library ARS Main Stacks

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Call Number: H62 .V27 1976
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