Ng Yew-Kwang Increasing returns and economic efficiency. - London Palgrave Macmillan 2009 - xiii, 200p cm. Bibliography: P 182-94 ISBN: 9780230202092 4083.5700000000002 Source: 28158, 10/08/2009, Segment Book Distrobutors General Book Subjects--Topical Terms: Economics Dewey Class. No.: X, P9