Lewis, William Arthur. Some aspects of economic development / W. Arthur Lewis. - Tema : Ghana Pub. Corporation, 1971. - x, 86 p. ; - The Aggrey-Fraser-Guggisberg memorial lectures ; . 1e dr.: London : Allen & Unwin, 1969.---- ISBN: SocSc-TB22 Subjects--Topical Terms: Economic development.----Developing countries-Economic conditions-- Dewey Class. No.: 338.91 / So