Faisal, M. M., J. Ferzund, A. Shaf, and A. Aldhahri. “Contextual Query Expansion: Transforming Question Answering With an MLM-Based Approach Using A Transformer Model”. Engineering, Technology & Applied Science Research, vol. 16, no. 1, Feb. 2026, pp. 31591-9, doi:10.48084/etasr.15306.