5Helena R.,Anneli E.,Maarit A.& Paivi H.Is successful scaffolding an illusion? -Shifting patterns of responsibility and control in teacher-student interaction during a long-term learning project.Instructional Science, 2003(31).
6Tolmie A.,Thomson J.& Foot H.The role of adult guidance'and peer collaboration in child pedestrian training.In R.Joiner,K.Littleton,D.Faulkner and D.Moell, eds, Rethinking Collaborative Learning.London: Free association books, 2000.