"echavarria, jose m. "
social aspects of economic development in latin america volu: me ii/ jose.m. echavarria - 1 ed. - france : unesco 1963. - ", 272p.; 21 cm." - technology and society .
includes bibliography
HC165 / .E24 1967
947. ech
social aspects of economic development in latin america volu: me ii/ jose.m. echavarria - 1 ed. - france : unesco 1963. - ", 272p.; 21 cm." - technology and society .
includes bibliography
HC165 / .E24 1967
947. ech