Ley Leyva, Nelly Victoria, Erika Paola García León, Maria Grazzia Gonzalez Quinto, y Pablo Luis Vasconez Mera. «Collaborative Learning to Improve the Speaking Skills in Students of Third Level of the Language Center of the UTB». Magazine de las Ciencias: Revista de Investigación e Innovación 10, no. 1 (enero 4, 2025): 105–133. Accedido agosto 11, 2025. https://revistas.utb.edu.ec/index.php/magazine/article/view/3667.