United Nations creator text New York United Nations 1963 monographic eng Contenido : 1 : World of Opportunity 2 : Naturar Resources 3 : Agriculture 4 : Industry 5: People and living 6 : Education and training 7 : Science and Planning 8 : Plenary proceedings list of papers and index DESARROLLO ECONOMICO CIENCIA Y TECNOLOGIA AGRICULTURA INDUSTRIA EDUCACION 338.95 U54s24