R. Camelo, S. Justino, and R. Mello.
" Coh-Metrix PT-BR: A textual analysis web API for education", in <em>Companion Proceedings of the 9th Brazilian Congress on Computers in Education</em>, Online, 2020, pp. 179-186, doi: <a href="https://doi.org/10.5753/cbie.wcbie.2020.179">https://doi.org/10.5753/cbie.wcbie.2020.179</a>.