D. I. Vergara-Monrroy, J. S. Campoverde-López, and J. R. Bonilla-Tenesaca, “Using conversational chatbots to develop oral fluency in A1-level english leaners”., ISJ, vol. 3, no. E1, pp. 234–252, Dec. 2025, doi: 10.63618/omd/isj/v3/nE1/191.