1. Bechard, R., Goldsmith, M., & Fesselbein, F., (1996). The leader of the future (pp. 3–9, 25–39, 121–124). California: Jossey-Bass Inc.
2. Case Studies of Video Conferences(terebi-kaigi-sisutemu saizennsen) (1998). Nikkei Information Strategy, 69, 68–76.
3. Change of finance business through community-based information network (komyunityi gata jyouhou netowa-ku niyoru kinyuu bijinesu no henkaku);Kodama;Kindai Sales,1998
4. Virtual teams;Lipnack,1997
5. Personal videoconferencing;Rosen,1996