Jabbar, Abdul, Muhammad Jawad Nadeem, Nisar Hussain, Amna Qasim, Momina Hafeez, and Grigori Sidorov. 2026. “A Comprehensive Comparative Study of Toxic Language Detection in Roman Urdu Using Hybrid Machine Learning, Deep Learning, and LoRA-Optimized Transformer Models”. International Journal of Combinatorial Optimization Problems and Informatics 17 (4):105-14. https://doi.org/10.61467/2007.1558.2026.v17i4.1528.