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- Australian Science Education Project 15 results
- Cunningham, John D. 10 results
- National Council of Teachers of Mathematics 10 results
- Nuffield Foundation. Secondary Science Project 9 results
- National Science Teachers Association 8 results
- Hirsch, Christian R. 6 results
- General Certificate of Secondary Education 5 results
- Hewitt, Paul G. 5 results
- Muschla, Gary Robert 5 results
- Muschla, Judith A. 5 results
- Philippines. Department of Education 5 results
- School Mathematics Study Group 5 results
- Yeap Ban Har 5 results
- Brahier, Daniel J. 4 results
- Mae, A.J 4 results
- Posamentier, Alfred S. 4 results
- University of the Philippines (Diliman). Science Education Center 4 results
- Wilson, Patricia S. 4 results
- Asia and the Pacific Programme of Educational Innovation for Development 3 results
- Atkinson, Gordon 3 results
- Bassler, Otto C. 3 results
- Beberman, Max 3 results
- Bitter, Gary G. 3 results
- College Entrance Examination Board. Commission on Mathematics 3 results
- Collette, Alfred T. 3 results
- Coxford, Arthur F. 3 results
- Cummine, J.A 3 results
- Diaz, Eden C. 3 results
- Gerver, Robert 3 results
- Graham, Alan 3 results
- Husen, Torsten 1916- 3 results
- International Institute for Educational Planning 3 results
- Kolb, John R. 3 results
- Lawson, Anton E. 3 results
- Levine, Joseph 3 results
- Miller, Kenneth R. 1948- 3 results
- Ogena, Ester B. 3 results
- Philippines. Department of Science and Technology. Science Education Institute 3 results
- Rabago, Lilia M. 3 results
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- Santos, Rosita G. 3 results
- Screen, Peter 3 results
- Teh Keng Seng 3 results
- Trowbridge, Leslie W. 3 results
- Unesco 3 results
- Vaughan, H.E 3 results
- Watts, Mike 3 results
- Wilkinson, John Wesley 3 results
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