Stecher, B.M. Davis, W.A. How to focus an evaluation - SAGE Publications London 1987 - 94p. - Evaluation Approaches Information Gathering ISBN: 0-8039-3127-1 Nat. Bib. No.: 6049 Nat. Bib. Agency Control No.: 65.012.001.4STE Subjects--Topical Terms: Management Universal Decimal Class. No.: 65.012.001.4