Araújo, I., Oliveira, J., Rodrigues, S. ., Tigre, Y., & Malheiros, Y. (2026). Development and Application of Lexicons for Identifying Political Biases in Portuguese Texts. ISys - Journal of Information Systems, 18(1), 13:1 – 13:20. https://doi.org/10.5753/isys.2025.5698