Viejo, C., V. Sánchez, and R. Ortega-Ruiz. “Physical Dating Violence: The Potential Understating Value of a Bi-Factorial Model”. Anales De Psicología / Annals of Psychology, Vol. 30, no. 1, Dec. 2013, pp. 171-9, doi:10.6018/analesps.30.1.141341.