U. ZAKI, M. MEMON, D. N. HAKRO, K.U.R. KHOUMBATI, M. HAMEED, M. A. ZAKI and G.NABI (2020) “Implementation Challenges in Information Retrieval System ”, Sindh University Research Journal - SURJ (Science Series), 51(2). Available at: https://sujo.usindh.edu.pk/index.php/SURJ/article/view/874 (Accessed: 7May2024).