00461nam a2200145Ia 4500 0000015299 20251012174354.0 19uu2008xx c 871542013 Readings in evaluation research edited by Francis G.Caro 2nd.ed. New York Russell Sage Foundation: 1977 [between 1900 and 2008] xii,436p. 24cm Evaluation research (Social action programs) 2142 2142