Muhammad Aqeel, Irfan Qutab, Khawar Iqbal, Habiba Fiaz, and Hira Arooj. 2025. “Improving Roman Urdu Topic Classification through Custom Stemming and an SGD-Optimized Machine Learning Pipeline”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 62 (4). https://doi.org/10.53560/PPASA(62-4)845.