Gill, Richard T. Economic development: past and present / [by] Richard T. Gill. - Englewood Cliffs, N.J. : Prentice-Hall, 1963. - viii, 120p. ; 22 cm. - Foundations of modern economics series . includes index Subjects--Topical Terms: Economic development. Subjects--Geographic Terms: Developing countries--Economic conditions. Dewey Class. No.: 338.9 / GIE 1963