1. Feedback on the Phone (Teleconferenced Focus Groups);Bertrand,1991
2. Focus Groups Meeting in Cyberspace;Bird,1994
3. Contemporary Marketing;Boone,1995
4. Self-Consciousness and Social Anxiety;Buss,1980
5. Problems, Solutions and Strategies: A Contribution to the Theory and Practice of Planning;Cartwright;AIP Journal,1973