Yohannes Yusuf y Abdella Borjac (2023) «Physical activity and sports performance among Ethiopianuniversity students: the moderating role of self-esteem and the mediating effect of stress», Revista de Psicología del Deporte (Journal of Sport Psychology), 32(3), pp. 177–190. Disponible en: https://rpd-online.com/index.php/rpd/article/view/1400 (Accedido: 20 mayo 2024).