Soloaga, Isidro How has regionalism in the 1990s affected trade? by Isidro Soloaga and L. Alan Winters - Washington, D.C. World Bank 1999 - v.p. - Policy research working paper 2156 . Subjects--Topical Terms: Regional planning - Economic aspectsRegionalism (International organization) - Economic aspects Dewey Class. No.: T39 So47