1. Kilpatrick J., Swafford J., Findell B., Eds. Adding It Up: Helping Children Learn Mathematics (National Research Council, National Academy Press, Washington, DC, 2001).
2. Silver E. A., Kennedy P. A., Eds. Results from the Seventh Mathematics Assessment of the National Assessment of Educational Progress (National Council of Teachers of Mathematics, Reston, VA, 2000).
3. Gonzales P., et al., Pursuing Excellence: Comparisons of International Eighth Grade Mathematics and Science Achievement from a U.S. Perspective, 1995 and 1999 (NCES 2001-028, U.S. Department of Education, National Center for Education Statistics, Washington, DC, 2000).
4. Martin M. O., Mullis I.V.S., Chrostowski S. J., Eds. TIMSS 2003 Technical Report (TIMSS and PIRLS International Study Center, Boston College, Chestnut Hill, MA, 2004).
5. Hiebert J., et al., Teaching Mathematics in Seven Countries: Results from the TIMSS 1999 Video Study (NCES 2003-013, U.S. Department of Education, NCES, Washington, DC, 2003).