Dr. Bharathi T, Dr. Bharathi Ravishankar, and Ms. Navyashree, Dr. Basavaraja M T. 2025. “From Opinion Mining to Deep Learning: Mapping the Knowledge Landscape of Sentiment Analysis”. European Economic Letters (EEL) 15 (3):2980-91. https://www.eelet.org.uk/index.php/journal/article/view/3735.