Polanco Valenzuela, Mauricio, and Juan Luis Martín Ayala. “Knowledge, Attitudes and Practices of Families of Teenagers With Cognitive Disabilities in Sexuality and Affectivity”. Diversitas, vol. 13, no. 2, July 2017, pp. 187-99, https://doi.org/10.15332/s1794-9998.2017.0002.04.