Morales, F., Sobarzo, C., Hurtado Almonacid, J., & Páez Herrera, J. (2023). 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. Environment and Social Psychology, 9(2). https://doi.org/10.54517/esp.v9i2.1952