Roche, Chris. Impact assessment for development agencies : learning to value change / by Chris Roche. - New Delhi : Saṁsḳriti, 2009. - viii, 312 p. : ill. ; 23 cm. ISBN: 9788187374602 Subjects--Topical Terms: Economic development projects --Evaluation. Dewey Class. No.: 338.9 ROC / 2200