Lezama Sánchez, A. L., & Tovar Vidal, M. (2026). Evaluation of GRU with Attention and DistilBERT in Text Classification Tasks. International Journal of Combinatorial Optimization Problems and Informatics, 17(2), 55–61. https://doi.org/10.61467/2007.1558.2026.v17i2.1268