01131cam a22003131 4500 9842968 BD-DhUL 20170410175022.0 791219s1960 nyuab b i000 0 eng 62002893 (OCoLC)5814050 DLC NjWP OCoLC DLC BD-DhUL premarc 312.73 UNH Ducoff, Louis J. (Louis Jay), 1909- Human resources of Central America, Panama, and Mexico, 1950-1980 : in relation to some aspects of economic development / New York : United Nations Economic Commission for Latin America, 1960. viii, 155 p. : maps ; 27 cm. United Nations. [Document] ST/TAO/K/LAT/1, E/CN. 12/548 Bibliographical footnotes. Labor supply Central America. Labor supply Mexico. Central America Population. Mexico Population. Central America Economic conditions. Mexico Economic conditions 1918- Latin America Economic conditions. ddc REF 175982 175982 0 0 ddc 0 312_730000000000000_UNH 0 REF 312370 DUL DUL UNC 2017-04-10 Gift 312.73 UNH D1852 2017-04-10 2017-04-10 REF