F. Lisboa and M. Beatriz.
" The Use of Free Software by Brazilian Government between 2018 and 2020", in <em>Actas del XVII Congreso Latinoamericano de Software Libre y Tecnologías Abiertas</em>, Online, 2020, pp. 36-40, doi: <a href="https://doi.org/10.5753/latinoware.2020.18606">https://doi.org/10.5753/latinoware.2020.18606</a>.