Lal, Deepak Wells and welfare : an exploratory cost-benefit study of the economics of small-scale irrigation in Maharashtra / Deepak Lal - Paris : OECD , 1972 - 162p. : ill. ; 22 cm. - Series on cost-benefit analysis case study . Includes bibliographical references and index. Subjects--Topical Terms: IrrigationCost effectivenessWells Dewey Class. No.: 631.7 / LAL