References
- Burns, M. (1981). Groups of four: Solving the management problem. Learning, 10, (2), 46–51.
- Johnson, D. (1982). Student-student interaction: The neglected variable in education. Educational Researcher, 10(1), 5–10.
- Johnson, L. (1984). The effects of the “groups of four” program on student achievement. (ERIC Document Reproduction Service N. ED 254 399).
- Johnson, D. and Johnson, R. (1975). Learning together and alone: Cooperative competition and individualization. Englewood Cliffs, NJ: Prentice-Hall.
- Lewin, K. (1943). Forces behind food habits and methods of change. Bulletin of the National Research Council. 108, 35–65.
- Slavin, R. (1980). Cooperative learning. Review of Educational Research. 50, 315–342.
- Webb, N. (1982). Student interaction and learning in small groups. Review of Educational Research. 52,(3), 421–445.