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Author/Creator
- United States. Office of Education22
- National Center for Education Statistics20
- American Educational Research Association13
- Japan. Monbushō10
- Germany (West). Statistisches Bundesamt9
- Unesco9
- United States. Department of Education9
- United States. National Education Goals Panel9
- National Education Association of the United States. Research Division8
- International Bureau of Education7
- National Center for Educational Statistics7
- Ontario Institute for Studies in Education7
- United States. Bureau of Education7
- United States. Office of Educational Research and Improvement7
- Columbia University. Teachers College6
- Indonesia. Kantor Statistik Propinsi DKI Jakarta6
- National Education Association of the United States6
- Organisation for Economic Co-operation and Development6
- American Council on Education5
- California. State Dept. of Education5