ESCALONA PARDO, E. Developing the speaking skill through cooperative learning techniques. Magazine de las Ciencias: Revista de Investigación e Innovación, [S. l.], v. 5, n. 5, 2020. Disponível em: https://revistas.utb.edu.ec/index.php/magazine/article/view/665. Acesso em: 3 jul. 2024.