Sztefka, D.; Tasior, K.; Broda, D.; Sak, N.; Dziewięcka, O.; Ziębka, W.; Sikora, K.; Wilanowska, J.; Broda, A.; Mikulska, W. Problematic Smartphone Use and Academic Performance in Children and Adolescents: A Narrative Review. Qual Sport 2026, 65, 73996.