Mouloud y Nawal (2020) «COVID-19 and the mental health of physical education students before and during lockdown», VIREF Revista de Educación Física, 9(4), pp. 73–80. Disponible en: https://revistas.udea.edu.co/index.php/viref/article/view/342048 (Accedido: 3 marzo 2025).