1. Bernero, J. (2000). Motivating students in math using cooperative learning. Unpublished master's thesis, Saint Xavier University, Chicago. (ERIC Document Reproduction No. ED446999).
2. Biggs, J.B. (1990). Teaching: Design for Learning. in B. Ross (ed). Teaching for Effective Learning. Sydney: HERDSA.
3. Erikson, E.H. (1963). Childhood and Society. (2nd ed.). New York: Norton.
4. Felder, R.M. & Brent, R. (1996). Navigating the bumpy road to student-centered instruction. College Teaching, 44(2). Retrieved February 8, 2005 from Academic Search Premier.
5. Cooperative learning and social skills: What skills to teach and how to teach them;Goodwin;Interventions in School & Clinic,1999