Darias Concepción, José Luis, Yolanda Elvira Fuertes Porbén, and Mónica Darias Fuertes. 2010. “The Teaching of Literacy in the Significant First Grade of Primary EducationEDUCATION”. Mendive. Journal on Education 9 (1):9-15. https://mendive.upr.edu.cu/index.php/MendiveUPR/article/view/351.