1. Arnstein, Sherry R. 1969. A ladder of citizen participation. Journal of the American Institute of Planners 35 (4): 216–224.
2. Breuer, Jonas, Nils Walravens, and Pieter Ballon. 2014. Beyond defining the smart city. Meeting top-down and bottom-up approaches in the middle. TeMA: Journal of Land Use, Mobility. http://www.jop.unina.it/index.php/tema/article/view/2475 . Accessed 26 July 2018.
3. Calzada, Igor, and Cristobal Cobo. 2015. Unplugging: Deconstructing the smart city. Journal of Urban Technology 22 (1): 23–43.
4. Capdevila, Ignasi, and Matías I. Zarlenga. 2015. Smart city or smart citizens? The Barcelona case. SSRN. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2585682 . Accessed 6 Feb 2017.
5. Chevalier, Jaques M., and Daniel Buckles. 2013. Participatory action research: Theory and methods for engaged inquiry. Hoboken: Taylor and Francis.