Medina-Pulido, P. L. (2021) «Working memory, sustained attention and academic performance in students aged 14 to 16 at an educational institution in Valledupar», Gaceta Médica de Caracas, 129(1S), pp. S66-S75. Disponible en: https://saber.ucv.ve/ojs/index.php/rev_gmc/article/view/22276 (Accedido: 8 diciembre 2025).