Geographic Subject
Indonesia
12
India
11
Mexico
4
New York (State)
2
Sweden
2
United States
2
Asia, Southeastern
1
Belgique
1
Educational tests and measurements
1
Finland
1
Germany (West)
1
Great Britain
1
Guatemala
1
Medan
1
Mexico City
1
Mississippi
1
Netherlands
1
North Dakota
1
Poland
1
Rochester
1
South Africa
1
Soviet Union
1
Trinidad (Colo.)
1
Yogyakarta
1