SZÉKELY, Ádám; VELASCO, Andrés; ECHEVERRÍA, Martín. ADHD Symptoms and Academic Performance Among Adolescents: The Roles of Executive Dysfunction, Smartphone Distraction, and Academic Procrastination. Journal of Adolescent and Youth Psychological Studies (JAYPS), [S. l.], v. 7, n. 7, p. 1–11, 2026. DOI: 10.61838/. Disponível em: https://www.journals.kmanpub.com/index.php/jayps/article/view/5664. Acesso em: 24 july. 2026.