↑Dar, Kamran Shaukat, Ahmad Bin Shafat, and Muhammad Umair Hassan. «An efficient stop word elimination algorithm for urdu language.» 2017 14th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON). IEEE, 2017.
↑Shaukat, Kamran, et al. «Stop Words Elimination in Urdu Language using Finite State Automaton.»