- Álvaro Rocha 0001, Carlos Ferrás, Paulo Carlos López-López, Teresa Guarda, editors, Information Technology and Systems - ICITS 2021, Península de Santa Elena, Ecuador, February 10-12, 2021, Volume 2. Volume 1331 of Advances in Intelligent Systems and Computing, Springer, 2021.
- Álvaro Rocha 0001, Carlos Ferrás, Paulo Carlos López-López, Teresa Guarda, editors, Information Technology and Systems - ICITS 2021, Península de Santa Elena, Ecuador, February 10-12, 2021, Volume 1. Volume 1330 of Advances in Intelligent Systems and Computing, Springer, 2021.