Search Results       Your search for [author]Ducoff, Louis Joseph, 1909- returned 1 record.           Human resources of Central America, Panama and Mexico, 1950-1980, in relation to some aspects of economic development. by Ducoff, Louis Joseph, 1909-; [New York]: United Nations Economic Commission for Latin America, 1960. Subject: Central America -- Population; Mexico -- Population; Labor supply -- Central America; Labor supply -- Mexico; Central America -- Economic conditions; Mexico -- Economic conditions -- 1918-.          Add to Book Cart Relevance: 29.08%