AUTHOR
- Australian Science Education Project 15 ফলাফল
- Cunningham, John D. 10 ফলাফল
- National Council of Teachers of Mathematics 10 ফলাফল
- Nuffield Foundation. Secondary Science Project 9 ফলাফল
- National Science Teachers Association 8 ফলাফল
- Hirsch, Christian R. 6 ফলাফল
- General Certificate of Secondary Education 5 ফলাফল
- Hewitt, Paul G. 5 ফলাফল
- Muschla, Gary Robert 5 ফলাফল
- Muschla, Judith A. 5 ফলাফল
- Philippines. Department of Education 5 ফলাফল
- School Mathematics Study Group 5 ফলাফল
- Yeap Ban Har 5 ফলাফল
- Brahier, Daniel J. 4 ফলাফল
- Mae, A.J 4 ফলাফল
- Posamentier, Alfred S. 4 ফলাফল
- University of the Philippines (Diliman). Science Education Center 4 ফলাফল
- Wilson, Patricia S. 4 ফলাফল
- Asia and the Pacific Programme of Educational Innovation for Development 3 ফলাফল
- Atkinson, Gordon 3 ফলাফল
- Bassler, Otto C. 3 ফলাফল
- Beberman, Max 3 ফলাফল
- Bitter, Gary G. 3 ফলাফল
- College Entrance Examination Board. Commission on Mathematics 3 ফলাফল
- Collette, Alfred T. 3 ফলাফল
- Coxford, Arthur F. 3 ফলাফল
- Cummine, J.A 3 ফলাফল
- Diaz, Eden C. 3 ফলাফল
- Gerver, Robert 3 ফলাফল
- Graham, Alan 3 ফলাফল
- Husen, Torsten 1916- 3 ফলাফল
- International Institute for Educational Planning 3 ফলাফল
- Kolb, John R. 3 ফলাফল
- Lawson, Anton E. 3 ফলাফল
- Levine, Joseph 3 ফলাফল
- Miller, Kenneth R. 1948- 3 ফলাফল
- Ogena, Ester B. 3 ফলাফল
- Philippines. Department of Science and Technology. Science Education Institute 3 ফলাফল
- Rabago, Lilia M. 3 ফলাফল
- Salandanan, Gloria G. 3 ফলাফল
- Santos, Rosita G. 3 ফলাফল
- Screen, Peter 3 ফলাফল
- Teh Keng Seng 3 ফলাফল
- Trowbridge, Leslie W. 3 ফলাফল
- Unesco 3 ফলাফল
- Vaughan, H.E 3 ফলাফল
- Watts, Mike 3 ফলাফল
- Wilkinson, John Wesley 3 ফলাফল
- Addison-Wesley Publishing Company 2 ফলাফল
- Andersen, Hans O. 2 ফলাফল more...