Perez, C., T. Rodríguez, V. Lezama, and B. Méndez. “Strengthening Students’ Communicative Competence in Basic English Levels”. CIEX JOURNAL, vol. 1, no. 9, Nov. 2019, pp. 33-44, https://journal.ciex.edu.mx/index.php/cJ/article/view/92.