Vásconez Mera , P. L., García León , E. P., González Quinto , M. G., & 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), 166–191. Recuperado a partir de https://revistas.utb.edu.ec/index.php/rpa/article/view/4152