- Alex Sandro Gomes, Clarisse Sieckenius de Souza, J. Alfredo Sánchez 0001, editors, IHC+CLIHC '11: 10th Brazilian Symposium on Human Factors in Computing Systems and the 5th Latin American Conference on Human Computer Interaction, Porto de Galinhas, Pernambuco, Brazil, October 25 - 28, 2011. ACM, 2011.
- Alex Sandro Gomes, Clarisse Sieckenius de Souza, J. Alfredo Sánchez, editors, 10th Brazilian Symposium on Human Factors in Computing Systems and the 5th Latin American Conference on Human Computer Interaction, IHC+CLIHC '11, Porto de Galinhas, Brazil - October 25 - 28, 2011. Brazilian Computer Society / ACM, 2011.