Balassa, Bela A. The theory of economic integration / by Bela Balassa - London : Allen and Unwin, 1961[Impression 1962&1965] - iii-xiii, 304 p. 22 cm - Unwin university books ; 113 . - 113 Unwin university books ; . Includes index Bibliography: p. 274-289 ISBN: 0043302351 Subjects--Topical Terms: International economic integration Dewey Class. No.: 338.91 / BAT 1965