Reyes-Joa H, Ramirez-Guerra D, Bueno-Pérez L. The improvement of the teaching-learning process of Chess of the category 10-11 years. CyD [Internet]. 16Dec.2019 [cited 19Aug.2021];5(1):19 -31. Available from: https://revistas.reduc.edu.cu/index.php/cienciaydeporte/article/view/3309