Alternative for teaching English and preparing students for certification. (Original). Roca. Revista científico-educacional de la provincia Granma, [S. l.], v. 18, n. 1, p. 226–244, 2021. Disponível em: https://revistas.udg.co.cu/index.php/roca/article/view/2899.. Acesso em: 3 may. 2024.