Lewis, Stephen R. The effects of protection on the growth rate and on the need for ext ernal assistance / by Stephen R. Lewis. - Nairobi : Institute for Development Studies, 1972. - 18 p. ; 33 cm. - Discussion papers ; no. 140. . Includes bibliographical references ( p.18) Subjects--Topical Terms: Economic assistance ----Developing countries.----Commerce ----Developing countries.----Protectionism ----Developing countries---- Dewey Class. No.: 338.9676