Sampaio, I., 		Vasconcelos, L., 		Viterbo, J., & 		Trevisan, D.
(2019).
 User perception of engagement attributes: a qualitative analysis.
In <em>Proceedings of the 10th Workshop on Aspects of Human-Computer Interaction for the Social Web</em>, (pp. 51-60). Porto Alegre: SBC.
doi:10.5753/waihcws.2019.7676