Vásconez Mera , P.L., García León , E.P., González Quinto , M.G. y Ley Leiva , N.V. 2026. Innovation in english language teaching: Chatbots based on artificial intelligence to improve oral expression skills. Revista Pertinencia Académica. ISSN 2588-1019. 10, 1 (ene. 2026), 166–191.