Nhan, L. K. ., N. T. M. . Hoa, and L. V. N. . Quang. “Revolutionizing Speaking Skills Improvement: AI’s Role in Personalized Language Learning”. International Journal of Innovative Research and Scientific Studies, vol. 8, no. 2, Apr. 2025, pp. 4637-49, doi:10.53894/ijirss.v8i2.6408.