Barrios González, E. ., M. Tovar Vidal, J. A. . Reyes-Ortiz, F. . Zacarias Flores, and P. . Bello López. “Exploring BERT-Based Pretrained Models for Polarity Analysis of Tweets in Spanish”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 14, no. 1, Mar. 2023, pp. 27-38, doi:10.61467/2007.1558.2023.v14i1.336.