de Souza Filho, J., 		Brito, M., & 		Sampaio, A.
(2020).
 Comparing Heuristic Evaluation and MALTU Model in Interaction Evaluation of Ubiquitous Systems.
In <em>The Proceedings of the 19th Brazilian Symposium on Human Factors in Computing Systems</em>, (pp. 91-100). Porto Alegre: SBC.