De Avila, Rernando Bastos Economic impacts of immigration: the Brazilian immigration problem/ Rernando Bastos De Avila - Newyork: MN, 1954 - xi, 102p.: ill.; 22 cm. Includes bibliographical references and index. Subjects--Topical Terms: DemographyImmigration Dewey Class. No.: 325.1 / DEA