Naranjo Vaca, Gregory, Lizette Pérez Martínez, and Lida Sánchez Ramírez. “TEACHING THE COMPREHENSION OF THE TEXT OF MATHEMATICAL PROBLEMS WITH THE USE OF THE RULE OF THREE COMPOSED IN THE BASIC EDUCATION CAREER”. Didáctica y Educación ISSN 2224-2643 8, no. 7 (November 3, 2017): 213–226. Accessed May 19, 2024. https://revistas.ult.edu.cu/index.php/didascalia/article/view/722.