1. Alfonseca, E., Carro, R.M., Martín, E., Ortigosa, A., Paredes, P.: The impact of learning styles on student grouping for collaborative learning: a case study. in this issue (2006)
2. Allan V.L. (1975). Social support for non-conformity. In: Berkowitz L. (eds) Advances in Experimental Social Psychology, vol 8. Academic Press, New York, pp. 1–43
3. Asch S.E. (1951). Effects of group pressure on the modification and distortion of judgements. In: Guetzkow H. (eds) Groups, Leadership and Men. Carnegie Press, Pittsburgh PA, pp. 177–190
4. Asch S.E. (1956). Studies of independence and conformity: a minority of one against a unanimous majority. Psychol. Monogr. 70(9):1–70
5. Aston G., Burnard L. (1998). The BNC Handbook: Exploring the British National Corpus with SARA. Edinburgh University Press, Edinburgh, UK