Before revision: There are case studies published on a number of commercial websites including www.simply-communicate.com and www.melcrum.com , and there is a useful chapter on the subject by Tracy Playle in Ruck's Exploring Internal Communication.
After revision: (now defunct)There are case studies published on a number of commercial websites including www.simply-communicate.com and www.melcrum.com , and there is a useful chapter on the subject by Tracy Playle in Ruck's Exploring Internal Communication.