Martínez-Atienza de Dios, María, and Alfonso Zamorano Aguilar. “Linguistic Theory and Learning-Acquisition of Spanish As a Foreing Language: Theoretical, Terminological and Conceptual Analysis of Simple Future of Indicative”. Círculo de Lingüística Aplicada a la Comunicación, vol. 81, Feb. 2020, pp. 181-08, https://doi.org/10.5209/clac.67938.