Bashir, B. ., Ibrahim, I. A. ., Rabiu, A. A. and Salihu Abdullahi , S. A. . (2025) “Analyzing the Impact of Various Indexing Techniques on Retrieval-Augmented Generation (RAG) Performance in Closed-Domain Question Answering”, International Journal of Science for Global Sustainability, 11(2), pp. 226–235. doi: 10.57233/ijsgs.v11i2.872.