Gómez- Molinero, R., Zayas, A., Ruíz-González, P. y Guil, R. 2018. Optimism and resilience among university students. Revista INFAD de Psicología. International Journal of Developmental and Educational Psychology. 1, 1 (abr. 2018), 147–154. DOI:https://doi.org/10.17060/ijodaep.2018.n1.v1.1179.