Shujaat Ali Shariati. FINE-GRAINED EMOTION DETECTION USING NLP-BASED TRANSFORMER MODELS: A COMPARATIVE STUDY OF BERT AND ROBERTA FOR MULTI-CLASS TEXT CLASSIFICATION. SES [Internet]. 2026 May 29 [cited 2026 Aug. 8];4(5):2923-31. Available from: https://www.thesesjournal.com/index.php/1/article/view/3093