Mayorga Lascano, Paúl Marlon, Álvaro Jaramillo, and Rodrigo Moreta-Herrera. “Competitive Anxiety and Self-Efficacy in High Performance Tennis Players before and After a Competition”. Revista Guillermo de Ockham 18, no. 1 (October 29, 2021): 45–54. Accessed December 21, 2024. https://revistas.usb.edu.co/index.php/GuillermoOckham/article/view/4526.