F. Morales, C. Sobarzo, J. Hurtado Almonacid, and J. Páez Herrera, “Effects of a gamification proposal in the physical education class on motor development in 3rd and 4th grade students at a private school in Valparaíso—Chile”, Environ. Soc. Psychol., vol. 9, no. 2, Dec. 2023.