Yanna Vogiazou Jonathan Freeman Jane Lessiter The Use of Improvisational Role-Play in User Centered Design Processes. 262-272 2007 conf/hci/2007-1 HCI (1) http://dx.doi.org/10.1007/978-3-540-73105-4_29 db/conf/hci/hci2007-1.html#VogiazouFL07