A. Alanne, P. Hellsten, S. Pekkola, and I. Saarenpää. Electronic Government: 14th IFIP WG 8.5 International Conference, EGOV 2015, Thessaloniki, Greece, page 321-333. Springer, (2015)
M. Kwan, and P. Balasubramanian. System Sciences, 1998., Proceedings of the Thirty-First Hawaii International Conference on, 4, page 312-321 vol.4. (1998)
F. Armour, S. Kaisler, J. Getter, and D. Pippin. System Sciences, 2003. Proceedings of the 36th Annual Hawaii International Conference on, page 10 pp.+. (2003)