Meseguer-de Pedro, Mariano, Maria Isabel Soler-Sánchez, María-Magdalena Fernández-Valera, and Mariano García-Izquierdo. “Evaluation of Psychological Capital in Spanish Workers: Design and Empirical Structure of the OREA Questionnaire”. Anales de Psicología / Annals of Psychology 33, no. 3 (July 21, 2017): 713-721. Accessed November 19, 2019. https://revistas.um.es/analesps/article/view/analesps.33.3.261741.