Lewis, W. Arthur 1915-1991. The principles of economic planning : a study prepared for the Fabian Society / W. Arthur Lewis. - New ed. with a introd. - New Delhi : G. Allen & Unwin, 1956. - xii,128 p. : 22 cm. "Second edition, Third impression, 1952. Fifth impression, 1956." Subjects--Topical Terms: EconomicsEconomic policy. Dewey Class. No.: 338.9