1. Social influences on children's cognition;Azmitia,1989
2. Il linguaggio transparente;Baroni,1983
3. Peer collaboration in a causal reasoning computer task;Behrend;Golem,1989
4. Confrontation socio-cognitive et résolution de problème;Blaye,1988
5. Joint planning and problem solving on a computer-based task;Blaye;British Journal of Development Psychology,1991