00501nam a2200169Ia 4500 0000006253 20251012174450.0 711102s1971 nyua b 001 0 eng 0871542021 H62 .C3425 300/.72/3 Readings in evaluation research. Edited by Francis G. Caro. New York, Russell Sage Foundation [1971] xiv, 418 p illus 24 cm. Includes bibliographical references. Evaluation. 4066 4066