//-->
A systems approach to small group interaction
Tubbs, Stewart L., (2012)
Discussion and group methods : theory and practice
Bormann, Ernest G., (1975)
The dynamics of small group communication
Mabry, Edward A., (1979)
Communication
Barker, Larry Lee, (1984)
Barker, Larry L., (1978)
Barker, Larry L., (2002)