Falcón, Carolina, Santos Orejudo, Teresa Fernández-Turrado, and Francisco Javier Zarza. “The Emergence and Evolution of Optimistic Expectations in Schoolchildren”. Anales de Psicología / Annals of Psychology 32, no. 2 (April 3, 2016): 492-500. Accessed December 13, 2019. https://revistas.um.es/analesps/article/view/analesps.32.2.239351.