Rodríguez T., J. ., Fernández, A. M. ., Valdés C., M. ., Hernández A., E. ., Ramírez P., S. . and Román Q., A. . (2008): “A comparison of the peers method and traditional methodologies, and risk behaviors in studies of the prevalence of drug consumption in a population of female, chilean students”, The Spanish Journal of Psychology, 11(2), pp. 564–572. Available at: https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0808220564A (Accessed: 4 December 2024).