GUAMÁN CONDOY, Erich Gonzalo. Improving A2 Level Speaking Proficiency through Mobile-Assisted Language Learning: An Investigation of First-Year Students at ESPOCH-Sede Orellana. Código Científico Revista de Investigación, [S. l.], v. 5, n. E4, p. 584–608, 2024. DOI: 10.55813/gaea/ccri/v5/nE4/511. Disponível em: http://www.revistacodigocientifico.itslosandes.net/index.php/1/article/view/511. Acesso em: 7 jun. 2025.