1. Tobias, S. (1978). Overcoming math anxiety. New York: Norton
2. Vandenberg, S. G., & Kuse, A. R. (1979). Spatial ability: A critical review of the sex-linked major gene hypothesis. In M. Wittig & A. Petersen (Eds.), Sex related differences in cognitive functioning: Developmental issues. New York: Academic Press
3. Chipman, S. F. (1994). Gender and school learning: Mathematics. In T. Husen & T. H. Postlethwaite (Eds.), International Encyclopedia of Education. Pergamon Press
4. National Institute of Education (NIE). (1977). Grants for research on education and work. Washington, DC: National Institute of Education
5. Armstrong, J. M. (1985). A national assessment of participation and achievement of women in mathematics. In S. F. Chipman, L. R. Brush, & D. M. Wilson (Eds.), Women and mathematics: Balancing the equation (pp. 59–94). Hillsdale, NJ: Erlbaum