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National Council of Teachers of English
11
Groupe d'études et de recherches pour le français langue internationale
9
National Art Education Association
6
National Council of Teachers of Mathematics
6
Helen Dwight Reid Educational Foundation
5
National Science Teachers Association
5
Mathematical Association of America
4
Muñoz, Muñoz
4
National Council for the Social Studies
4
University of Manchester Institute of Science and Technology
4
American Alliance for Health, Physical Education, Recreation, and Dance
3
American Association for Health Education
3
American Association of Physics Teachers
3
American Association of Teachers of German
3
American Historical Association
3
American Society of Agronomy
3
International Technology Education Association
3
International Technology and Engineering Educators Association
3
Magendzo, Abraham
3
Matematikos ir informatikos institutas (Lithuania)
3
National Council for Geographic Education
3
National Council on Rehabilitation Education (U.S.)
3
SPARC (Organization)
3
Taylor & Francis
3
Universidad de La Sabana
3
University of Alabama
3
University of Waikato. School of Education
3
Academy of Criminal Justice Sciences
2
Alcohol and Drug Problems Association of North America. Education Section
2
American Alcohol and Drug Information Foundation
2
American Association of Colleges of Pharmacy
2
American Council of Science Teachers
2
American Council on the Teaching of Foreign Languages
2
American Driver and Traffic Safety Education Association
2
American Geographical Society of New York
2
American Graduate School of International Management. Department of Modern Languages
2
American Industrial Arts Association
2
American Institute of Physics
2
American Science Teachers Association
2
American Society for Engineering Education
2
American Society for Psychoprophylaxis in Obstetrics
2
American Sociological Association
2
Association for Language Learning (Great Britain)
2
Association for Science Education
2
Association of Teachers of Mathematics
2
Association of Teachers of Technical Writing
2
Australian Association for Environmental Education
2
Australian Science Teachers' Association
2
Berkeley Electronic Press
2
Boston Women's Teachers' Group
2
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