Baños-Chaparro, Jonatan, and Cristian Ramos-Vera. “Validity and Invariance According to Sex and Age of the Paykel Scale of Suicide Ideation in Peruvian Adolescents”. Interacciones 6, no. 1 (March 14, 2020): e225. Accessed March 28, 2024. https://www.revistainteracciones.com/index.php/rin/article/view/96.