Imboden, N. A management approach to project appraisal and evaluation with special reference to non-directly productive projects / by N. Imboden - Paris : OECD, 1978 - 172 p. : ill. ; 24 cm. - Development Centre studies . - Development Centre studies . Includes bibliographical references ISBN: 9264117210 Subjects--Topical Terms: Economic development projects--Evaluation Subjects--Geographic Terms: Developing countries--Economic policy