1. Collaborative learning: Higher education, interdependence, and the authority of knowledge;Bruffee,1999
2. Cooper, J.L., Robinson, P. (1998). Small group instruction: An annotated bibliography of science, mathematics, engineering, and technology resources in higher education (Occasional Paper No. 6). Madison: University of Wisconsin-Madison, National Institute for Science Education.
3. Cross, P.K. (2000, February). The cross papers, No. 4: Collaborative learning 101. Mission Viejo, CA: League for Innovation in the Community College. Retrieved from http://www.league.org.
4. Organizing to collaborate: A taxonomy of higher education practices for promoting interdependence within the classroom, across the campus, and beyond the college;Cuseo,2002
5. Using student teams in the classroom: A faculty guide;Federman-Stein,2000