Djourova, Nia Plamenova, Isabel Rodríguez, and Laura Lorente-Prieto. “Individual Profiles of Psychological Capital in a Spanish Sample”. JOURNAL OF SOCIAL SCIENCE RESEARCH 14 (February 28, 2019): 3029–3047. Accessed July 15, 2025. https://www.rajpub.com/index.php/jssr/article/view/8042.