D. E. Manzano-Pauta and E. M. Jerves-Hermida , Trans., “Sex Education: Teachers’ Perceptions in the City of Cuenca 2013-2014”, Rev. Electr. Educare, vol. 22, no. 1, pp. 1–15, Jan. 2018, doi: 10.15359/ree.22-1.5.