Use an information database such as AIB Inform or ProQuest to obtain longer articles on communication such as:

Peter Richardson and D. Keith Denton (1996) “Communicating change”, Human Resource Management, 35

(2), 203–217 (an excellent article giving specific instances where communication played an important part in changing organisations)

Dorothy A. Winsor (1988) “Communication failures contributing to the challenger accident: an example for technical communicators”, IEEE Transactions on Professional Communication, 31

(3), 101–108 (a good description of the way failures of communication led to the Challenger disaster)