1. Caragliu, A., Del Bo, C., & Nijkamp, P. (2011). Smart cities in Europe. Journal of Urban Technology, 18(2), 65–82.
2. Heng, T., & Low, L. (1993). The intelligent city: Singapore achieving the next lap: Practitoners forum. Technology Analysis & Strategic Management, 5(2), 187–202.
3. Dameri, R. P., & Cocchia, A. (2013). Smart city and digital city: Twenty years of terminology evolution. In X Conference of the Italian Chapter of AIS, ITAIS (pp. 1–8).
4. Tokmakoff, A., & Billington, J. (1994). Consumer services in smart city Adelaide. In K. Bjerg & K. Borreby (Eds.), Paper published at HOIT 94. Proceedings of an International Cross-disciplinary Conference on Home-Oriented Informatics, Telematics & Automation, University of Copenhagen.
5. Oberti, I., & Pavesi A. S. (2013). The triumph of the smart city. TECHNE: Journal of Technology for Architecture & Environment, 5.