Region
Africa
1
Asia
4
China
6
Developing countries
4
East Asia
2
Economic policy
1
Environmental aspects
1
Europe
9
Europe, Eastern
2
European Economic Community countries
4
Former Soviet republics
1
France
7
Germany
3
Germany (West)
4
Germany, West
2
Great Britain
40
India
1
Japan
34
Management
1
Netherlands
1
OECD countries
1
Russia
2
Russia (Federation)
1
South America
1
Sweden
3
Tennessee
1
United States
61
Yugoslavia
1