Region
Developing countries
Asia
62
Developing Countries
38
Africa
37
Europe
29
Latin America
29
Pays en voie de développement
29
India
28
United States
27
Soviet Union
20
Europe, Eastern
17
Pacific Area
14
Pays en voie de développement
14
Southeast Asia
11
European Economic Community countries
10
Indonesia
10
Tropics
10
Eastern Europe
9
Agriculture
8
European Union countries
8
Congresses
7
Housing
7
Kenya
7
Nigeria
7
Países subdesarrollados
7
Arab countries
6
Pakistan
6
Technology
6
Underdeveloped areas
6
Asia, Southeastern
5
China
5
East Asia
5
Entwicklungsländer
5
Entwicklungsländer
5
France
5
Italy
5
Japan
5
Mexico
5
Países subdesarrollados
5
Philippines
5
Sri Lanka
5
Turkey
5
Caribbean Area
4
Colombia
4
Education
4
Germany (West)
4
Iran
4
Korea (South)
4
Libya
4
Manpower policy
4
more ...