- Rodrigo Pereira dos Santos, Cristiano Maciel, José Viterbo, editors, Software Ecosystems, Sustainability and Human Values in the Social Web - 8th Workshop of Human-Computer Interaction Aspects to the Social Web, WAIHCWS 2017, Joinville, Brazil, October 23, 2017 and 9th Workshop, WAIHCWS 2018, Belém, Brazil, October 22, 2018, Revised Selected Papers. Volume 1081 of Communications in Computer and Information Science, Springer, 2020.
- Caroline Queiroz Santos, Maria Lúcia Bento Villela, Isabela Gasparini, Tayana Uchôa Conte, editors, IHC '20: XIX Brazilian Symposium on Human Factors in Computing Systems, Online Event / Diamantina, Brazil, October 26-30, 2020. ACM, 2020.