TY  - BOOK
ED  -  Seminar on Methods Used in Long-term Social Planning and Policy-maki ng 
ED  -  United Nations. Economic Commission for Europe.
TI  -  Approaches and methods used in long-term social planning and policy- making : : conclusions of the Seminar at Arc-et-Senans, France (3-10 M ay 1972) and collection of working papers submitted to the Seminar
PY  - 1973///
CY  -  New York : 
PB  -  United Nations, 
KW  -  Social planning
KW  -  Congresses
KW  -  System analysis
KW  -  Social indicators
KW  -  Africa
N1  -  Includes bibliographical references
ER  -