Sierra, J. C., Gutiérrez Quintanilla, J. R., Delgado Domínguez, C. J., & De los Santos-Roig, M. (2007). Evaluation of attitudes towards sexual prejudices (Machismo, double morality and sexual aggression) in university students of El Salvador. Entorno, (38), 53–58. https://doi.org/10.5377/entorno.v0i38.7365