Detection of AI-Generated Deepfake Text in Academic Submissions Using Fine-Tuned RoBERTa: A Transformer-Based Binary Classification Approach. Journal of Pure and Applied Sciences (Science Forum), [S. l.], v. 26, n. 2, 2026. Disponível em: https://atbuscienceforum.com.ng/index.php/jpas/article/view/266. Acesso em: 10 may. 2026.