Marin-Velazco, Sofía, Daniela Ramos-León, José Ventura-León, and Mario Reyes-Bossio , trans. “School Repetition: Relationship Between Self-Efficacy and Time Perspective in Peruvian Adolescents in Lima Metropolitan Area”. Revista Electrónica Educare 26, no. 2 (April 19, 2022): 1–13. Accessed April 9, 2025. https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/13606.