Sakil Ansari, Rohan Raut and Bickey kumar shah (2023) “A Review of Question Answering Systems: Approaches, Challenges, and Applications”, International Journal of Computer (IJC), 46(1), pp. 25–33. Available at: https://ijcjournal.org/index.php/InternationalJournalOfComputer/article/view/2024 (Accessed: 8 February 2023).