«Multiclass-Subjectivity Feature Clustering-Based Twitter Sentiment Analysis Using Content-Based Deep Feature Neural Network for COVID-19 Wave Opinions». ITEGAM-JETIA 12, no. 61 (septiembre 30, 2026): 171–183. Accedido octubre 22, 2026. https://itegam-jetia.org/journal/index.php/jetia/article/view/3414.