Sakil Ansari, Rohan Raut, and Bickey kumar shah, “A Review of Question Answering Systems: Approaches, Challenges, and Applications”, IJC, vol. 46, no. 1, pp. 25–33, Jan. 2023, Accessed: Apr. 02, 2026. [Online]. Available: https://ijcjournal.org/InternationalJournalOfComputer/article/view/2024