References

Bransford, J.D. and Stein, B.S. (1993) The ideal problem solver: a guide for improving thinking, learning and creativity. WH Freeman & Co., New York

Richardson, F.C. and Suinn, R.M. (1972) ‘The Mathematics Anxiety Rating Scale’, Journal of Counselling Psychology, 19(6), pp. 551–554. doi: 10.1037/h0033456.