Oguilve-Araya V. A Strategic Plan for Academic Improvement (PEMA). Case Study to Determine the Improvement of Linguistic Competence of Students in the English Major. Espiga [Internet]. 6 de julio de 2019 [citado 18 de diciembre de 2024];18(38):111-32. Disponible en: https://revistas.uned.ac.cr/index.php/espiga/article/view/2519