GONZÁLEZ ARRATIA LÓPEZ FUENTES, Norma Ivonne; 						VALDEZ MEDINA, José Luis.
 Optimism-Pessimism and Resilience in Adolescents of a State University.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 19, n. 3, p. 207-214, oct. 2017.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/7043" target="_new">https://cienciaergosum.uaemex.mx/article/view/7043</a>&gt;. Date accessed: 19 aug. 2026.