Damiani, C., 		Machado, L., 		Klock, A., 		Machado, G., 		Gasparini, I., & 		Oliveira, J.
2018 Sep 18.  Analysis of gamification in the context of Smart and Sustainable Cities. Proceedings of the Workshop on Aspects of Human-Computer Interaction for the Social Web (WAIHCWS). [Online] :