Nunes, T. & Bryant, P. (1997). Learning and teaching mathematics: An international perspective. East Sussex: Psychology Press.
Mansfield, H., Pateman, N. A., & Bednarz, N. (1996). Mathematics for tomorrow's young children: International perspectives on curriculum. Dordrecht: Kluwer Academic Publishers.
Nunes, T. & Bryant, P. (1996). Children doing mathematics. Oxford: Blackwell Publishers.
Geary, D. C. (1994). Children's mathematical development: Research and practical applications. Washington, DC: American Psychological Association.
Leinhardt, G., Putnam, R., & Hattrup, R. A. (Eds.). (1992). Analysis of arithmeticfor mathematics teaching. Hillsdale, NJ: Lawrence Erlbaum Associates.
Tall, D. (Ed.). (1991). Advanced mathematical thinking. Dodrecht: Kluwer Academic Publishers.
Leushina, A. M. (1991). The development of elementary mathematical conceptsin preschool children (J. Teller, Trans.). Reston, VA: National Council of Teachersof Mathematics.
Davydov, V. V. (Ed.). (1991). Psychological abilities of primary school childrenin learning mathematics (J. Teller, Trans.). Reston, VA: National Council of Teachersof Mathematics.
Skemp, R. R. (1989). Mathematics in the primary school. London: Routledge.
Schoenfeld, A. H. (1987). Cognitive science and mathematics education. Hillsdale,NJ: Lawrence Erlbaum Associates.
Lesh, R. & Landau, M. (Eds.). (1983). Acquisition of mathematics concepts andprocesses. Orland, FL: Academic Press.