1. Classroom connections: Understanding and using cooperative learning;Abrami,1995
2. Cooperative learning: conceptualizations, and the relation between research and practice;Antil;American Educational Research Journal,1998
3. Changes in grouping practices over primary and secondary school;Baines;International Journal of Educational Research,2003
4. Pupil grouping for learning: developing a social pedagogy in the classroom;Baines,2008
5. Language in the secondary classroom;Barnes,1969