Region
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Southeast Asia
4
Sweden
4
Tanzania
4
Toronto
4
Africa, Southern
3
Atlanta
3
Bavaria
3
Colorado
3
Delhi
3
Egypt
3
El Salvador
3
Finland
3
Foreign countries
3
Former communist countries
3
Greece
3
Indiana
3
Indonesia
3
Iowa
3
Italy
3
Louisiana
3
Missouri
3
Montgomery
3
Nigeria
3
North America
3
Norway
3
Qatar
3
Rwanda
3
South Carolina
3
Vietnam
3
West (U.S.)
3
Afghanistan
2
Africa, East
2
Aims and objectives
2
Alfred
2
Annapolis
2
Arkansas
2
Atlantic Coast
2
Atlantic Coast (Colombia)
2
Barcelona
2
Beijing
2
Bosnia and Herzegovina
2
Cambodia
2
Cyprus
2
Czechoslovakia
2
Delaware
2
Developed countries
2
Education (Secondary)
2
Eritrea
2
Ethiopia
2
Europa
2
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