Morales, Felipe, Catalina Sobarzo, Juan Hurtado Almonacid, and Jacqueline Páez Herrera. 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.