Yohannes Yusuf, and Abdella Borjac. “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, no. 3 (September 3, 2023): 177–190. Accessed January 16, 2025. https://rpd-online.com/manuscript/index.php/rpd/article/view/1400.