Giler Cedeño, María José, and Hipatia Alexandra Meza Intriago. “Play Guide to Strengthen Attention and Concentration in Initial Education Children II”. Maestro Y Sociedad, vol. 21, no. 3, July 2024, pp. 1060-72, https://maestroysociedad.uo.edu.cu/index.php/MyS/article/view/6474.