Gómez Mármol, Alberto, Bernardino Javier Sánchez-Alcaraz Martínez, Alfonso Valero Valenzuela, and Ernesto De la Cruz Sánchez. 2018. “Perceived Violence, Sociomoral Attitudes and Behaviours in School Contexts”. Journal of Human Sport and Exercise 13 (1):138-48. https://doi.org/10.14198/jhse.2018.131.14.