//-->
Economic Development, Planning and International Cooperation
Lange, Oskar, (1961)
The sixth five-year plan of the People's Republic of China for economic and social development 1981 - 1985
(1984)
Plan global de desarrollo para 1977 y 1978
(1977)
Criminality and social change : note by the Secretary-General
(1971)
Report on a unfied approach to development analysis and planning : note by the Secretary-General
(1974)
Trends in the social situation of children : report on children ; report of the Secretary-General
(1970)