D. P. Landa Pico, G. S. Chiliquinga Sifas, G. A. Arroba López, and T. Y. Ballesteros Casco, “Playful Games to Improve Gross Motor Skills in Children from 4 to 5 years old”, CCD, vol. 6, no. 1.4, pp. 489-505, Mar. 2023.