Iltaf, M. A., and A. Nadeem. “A Comparative Study of Automated Approaches for Detecting Subjectivity and Unverifiability in Natural Language Software Requirements”. International Journal of Innovations in Science & Technology, vol. 8, no. 3, Apr. 2026, pp. 75-86, https://journal.50sea.com/index.php/IJIST/article/view/1828.