Lagos-Luciano, J., C. L. Andruske, M. A. Cossio-Bolaños, J. Sulla-Torres, L. Coyla-Idme, C. Luarte-Rocha, and R. Gomez-Campos. “Proposed Standards for Assessing Language Skills of Adolescent Students: Language Skills of Adolescent Students”. International Electronic Journal of Elementary Education, vol. 12, no. 2, Dec. 2019, pp. 223-32, https://iejee.com/index.php/IEJEE/article/view/968.