References
- Atwell , N. 1987 . In the middle , Portsmouth, N.H. : Boynton Cook .
- Cohen , E. 1994 . Designing groupwork. , 2nd ed. , New York : Teachers College Press .
- Hunter , M. 1982 . Mastery teaching , El Sequendo, Calif. : T.I.P. Publications .
- Janssen-O'Leary , S. , Vermette , P. , Kenny , C. , Colman , P. and Johnston , G. Inside a middle school base group . Presentation at the Northeastern Educational Research Association . Ellenville, N.Y.
- Johnson , D. W. and Johnson , D. L. 1992 . Learning together and alone , Englewood Cliffs, N.J. : Prentice-Hall .
- Vermette , P. J. 1994 . Four faral flaws. Avoiding the mistakes of the novice user of cooperative learning . High School Journal , Feb. : 255 – 60 .