Duane Paul Policy framework for irrigation water charges. Duane Paul - Washington Indternational Bank for Reconstruction and Development 1975 - "vii,40p. Bib p. 29" cm. - World Bank Staff Working Paper. 218 . Standard No.: 84268 Source: Reference Collections Subjects--Topical Terms: Engineering Dewey Class. No.: "X9(D2):76.1.N7, L5/UN"