LEY LEYVA, N. V.; GARCÍA LEÓN, E. P.; GONZALEZ QUINTO, M. G.; VASCONEZ MERA, P. L. 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, [S. l.], v. 10, n. 1, p. 105–133, 2025. Disponível em: https://revistas.utb.edu.ec/index.php/magazine/article/view/3667. Acesso em: 11 ago. 2025.